// Main JavaScript for the index page




// Umrahmungen der Bilder im Werbebanner (erscheint bei mouseover)
frame_vertical_a = new Image(); frame_vertical_a.src = "img/images_a/frame_vertical_a.gif"; 
frame_vertical_b = new Image(); frame_vertical_b.src = "img/images_b/frame_vertical_b.gif"; 

// Anfang bilder laden für Seitenbanner
Pic= new Array(); Pic_large= new Array(); Picture = new Array();
Pic[1] = "banners/side_banners/sb_images/P1.jpg"; Pic_large[1] = "banners/side_banners/pages/P1.html";
Pic[2] = "banners/side_banners/sb_images/P2.jpg"; Pic_large[2] = "banners/side_banners/pages/P2.html";
Pic[3] = "banners/side_banners/sb_images/P3.jpg"; Pic_large[3] = "banners/side_banners/pages/P3.html";
Pic[4] = "banners/side_banners/sb_images/P4.jpg"; Pic_large[4] = "banners/side_banners/pages/P4.html";
Pic[5] = "banners/side_banners/sb_images/P5.jpg"; Pic_large[5] = "banners/side_banners/pages/P5.html";
Pic[6] = "banners/side_banners/sb_images/P6.jpg"; Pic_large[6] = "banners/side_banners/pages/P6.html";
Pic[7] = "banners/side_banners/sb_images/P7.jpg"; Pic_large[7] = "banners/side_banners/pages/P7.html";
Pic[8] = "banners/side_banners/sb_images/P8.jpg"; Pic_large[8] = "banners/side_banners/pages/P8.html";
Pic[9] = "banners/side_banners/sb_images/P9.jpg"; Pic_large[9] = "banners/side_banners/pages/P9.html";
Pic[10] = "banners/side_banners/sb_images/P10.jpg"; Pic_large[10] = "banners/side_banners/pages/P10.html";
Pic[11] = "banners/side_banners/sb_images/P11.jpg"; Pic_large[11] = "banners/side_banners/pages/P11.html";
Pic[12] = "banners/side_banners/sb_images/P12.jpg"; Pic_large[12] = "banners/side_banners/pages/P12.html";
Pic[13] = "banners/side_banners/sb_images/P13.jpg"; Pic_large[13] = "banners/side_banners/pages/P13.html";
Pic[14] = "banners/side_banners/sb_images/P14.jpg"; Pic_large[14] = "banners/side_banners/pages/P14.html";
Pic[15] = "banners/side_banners/sb_images/P15.jpg"; Pic_large[15] = "banners/side_banners/pages/P15.html";
Pic[16] = "banners/side_banners/sb_images/P16.jpg"; Pic_large[16] = "banners/side_banners/pages/P16.html";
Pic[17] = "banners/side_banners/sb_images/P17.jpg"; Pic_large[17] = "banners/side_banners/pages/P17.html";
Pic[18] = "banners/side_banners/sb_images/P18.jpg"; Pic_large[18] = "banners/side_banners/pages/P18.html";
pics_in_library=18; // hier die Anzahl der Bilder in der Bibliothen eintragen// auch in php am dokumentanfang $v_im=rand.. richtig setzen
for (i=1; i<=pics_in_library;i++){ Picture[i] = new Image(); Picture[i].src = Pic[i];} 
// Ende bilder laden für Seitenbanner



//navigation in calendar and cathegories
function navi(button,state){
kp=0; 

var ii; var iii;
if(v_im==pics_in_library-1){ii=pics_in_library;iii=1;} else if(v_im==pics_in_library){ii=1; iii=2;} else{ii=v_im+1; iii=v_im+2;};

if (button=='January'){
month="January"; month_a=January_a; month_b=January_b; month_c=January_c;
switch(state){
case 'over':   if (v_jan!=1) {document.images[month].src=month_c.src; document.images["Strip"].src=Strip_c.src;};
break;
case 'out': if (v_jan!=1) {document.images[month].src=month_a.src; document.images["Strip"].src=Strip_a.src;};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_jan!=1){document.images[month].src=month_b.src; document.images["Strip"].src=Strip_b.src ; v_jan=1; kp=1;}
break;};}

else if (button=='February'){
month="February"; month_a=February_a; month_b=February_b; month_c=February_c;
switch(state){
case 'over':  if (v_feb!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_feb!=1) {document.images[month].src=month_a.src};
break;
case 'down': document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_feb!=1){document.images[month].src=month_b.src; v_feb=1; kp=1;} 
break;};}

else if (button=='March'){
month="March"; month_a=March_a; month_b=March_b; month_c=March_c;
switch(state){
case 'over':  if (v_mar!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_mar!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_mar!=1){document.images[month].src=month_b.src; v_mar=1; kp=1;}
break;};}

else if (button=='April'){
month="April"; month_a=April_a; month_b=April_b; month_c=April_c;
switch(state){
case 'over':  if (v_apr!=1){document.images[month].src=month_c.src};
break;
case 'out': if (v_apr!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_apr!=1){document.images[month].src=month_b.src; v_apr=1; kp=1;}
break;};}

else if (button=='May'){
month="May"; month_a=May_a; month_b=May_b; month_c=May_c;
switch(state){
case 'over':  if (v_may!=1){document.images[month].src=month_c.src};
break;
case 'out': if (v_may!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_may!=1){document.images[month].src=month_b.src; v_may=1; kp=1;}
break;};}

else if (button=='June'){
month="June"; month_a=June_a; month_b=June_b; month_c=June_c;
switch(state){
case 'over':  if (v_jun!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_jun!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_jun!=1){document.images[month].src=month_b.src; v_jun=1; kp=1;}
break;};}

else if (button=='July'){
month="July"; month_a=July_a; month_b=July_b; month_c=July_c;
switch(state){
case 'over':  if (v_jul!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_jul!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_jul!=1){document.images[month].src=month_b.src; v_jul=1; kp=1;} 
break;};}

else if (button=='August'){
month="August"; month_a=August_a; month_b=August_b; month_c=August_c;
switch(state){
case 'over':  if (v_aug!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_aug!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_aug!=1){document.images[month].src=month_b.src; v_aug=1; kp=1;} 
break;};}

else if (button=='September'){
month="September"; month_a=September_a; month_b=September_b; month_c=September_c;
switch(state){
case 'over':  if (v_sep!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_sep!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_sep!=1){document.images[month].src=month_b.src; v_sep=1; kp=1;}
break;};}

else if (button=='October'){
month="October"; month_a=October_a; month_b=October_b; month_c=October_c;
switch(state){
case 'over':  if (v_oct!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_oct!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_oct!=1){document.images[month].src=month_b.src; v_oct=1; kp=1;}
break;};}

else if (button=='November'){
month="November"; month_a=November_a; month_b=November_b; month_c=November_c;
switch(state){
case 'over':  if (v_nov!=1){document.images[month].src=month_c.src};
break;
case 'out': if (v_nov!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_nov!=1){document.images[month].src=month_b.src; v_nov=1; kp=1;}
break;};}

else if (button=='December'){
month="December"; month_a=December_a; month_b=December_b; month_c=December_c;
switch(state){
case 'over':  if (v_dec!=1) {document.images[month].src=month_c.src};
break;
case 'out': if (v_dec!=1) {document.images[month].src=month_a.src};
break;
case 'down':document.images["January"].src=January_a.src;  document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src; document.images["Select_All"].src=Select_All_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_sa=0;v_is="";
if (v_dec!=1){document.images[month].src=month_b.src; v_dec=1; kp=1;}

break;};}

else if (button=='Select_All'){
cathegory="Select_All"; cathegory_a=Select_All_a; cathegory_b=Select_All_b; cathegory_c=Select_All_c;
switch(state){
case 'over':  if (v_sa!=1) {document.images[cathegory].src=cathegory_c.src};
break;
case 'out': if (v_sa!=1) {document.images[cathegory].src=cathegory_a.src};
break;
case 'down': if (v_sa!=1){document.images[cathegory].src=cathegory_b.src; v_sa=1; kp=1;
document.images["January"].src=January_b.src; document.images["Strip"].src=Strip_b.src; document.images["February"].src=February_b.src;document.images["March"].src=March_b.src;document.images["April"].src=April_b.src;document.images["May"].src=May_b.src; document.images["June"].src=June_b.src; document.images["July"].src=July_b.src;document.images["August"].src=August_b.src;document.images["September"].src=September_b.src;document.images["October"].src=October_b.src; document.images["November"].src=November_b.src; document.images["December"].src=December_b.src;
v_jan=1;v_feb=1;v_mar=1;v_apr=1;v_may=1;v_jun=1;v_jul=1;v_aug=1;v_sep=1;v_oct=1;v_nov=1;v_dec=1;v_is="";} 
else if (v_sa==1){document.images[cathegory].src=cathegory_a.src; v_sa=0;kp=1;
document.images["January"].src=January_a.src; document.images["Strip"].src=Strip_a.src; document.images["February"].src=February_a.src;document.images["March"].src=March_a.src;document.images["April"].src=April_a.src;document.images["May"].src=May_a.src; document.images["June"].src=June_a.src; document.images["July"].src=July_a.src;document.images["August"].src=August_a.src;document.images["September"].src=September_a.src;document.images["October"].src=October_a.src; document.images["November"].src=November_a.src; document.images["December"].src=December_a.src;
v_jan=0;v_feb=0;v_mar=0;v_apr=0;v_may=0;v_jun=0;v_jul=0;v_aug=0;v_sep=0;v_oct=0;v_nov=0;v_dec=0;v_is="";};
break;};}

else if (button=='Antique'){
cathegory="Antique"; cathegory_a=Antique_a; cathegory_b=Antique_b; cathegory_c=Antique_c;
switch(state){
case 'over':  if (v_ant==0)document.images[cathegory].src=cathegory_c.src;
break;
case 'out': if (v_ant!=1) {document.images[cathegory].src=cathegory_a.src; v_ant=0};
break;
case 'down': if (v_ant!=1){document.images[cathegory].src=cathegory_b.src; v_ant=1;v_all=0; v_is=""; kp=1;} else if (v_ant==1){document.images[cathegory].src=cathegory_a.src; v_ant=2; kp=1; };
break;};}

else if (button=='Contemporary'){
cathegory="Contemporary"; cathegory_a=Contemporary_a; cathegory_b=Contemporary_b; cathegory_c=Contemporary_c;
switch(state){
case 'over':  if (v_con==0) document.images[cathegory].src=cathegory_c.src;
break;
case 'out': if (v_con!=1) {document.images[cathegory].src=cathegory_a.src; v_con=0};
break;
case 'down': if (v_con!=1){document.images[cathegory].src=cathegory_b.src; v_con=1;v_all=0; v_is=""; kp=1;} else if (v_con==1){document.images[cathegory].src=cathegory_a.src; v_con=2; kp=1;};
break;};}

else if (button=='Period'){
cathegory="Period"; cathegory_a=Period_a; cathegory_b=Period_b; cathegory_c=Period_c;
switch(state){
case 'over':  if (v_per==0)document.images[cathegory].src=cathegory_c.src;
break;
case 'out': if (v_per!=1) {document.images[cathegory].src=cathegory_a.src; v_per=0};
break;
case 'down': if (v_per!=1){document.images[cathegory].src=cathegory_b.src; v_per=1;v_all=0; v_is=""; kp=1;} else if (v_per==1){document.images[cathegory].src=cathegory_a.src; v_per=2; kp=1;};
break;};}

else if (button=='Photo'){
cathegory="Photo"; cathegory_a=Photo_a; cathegory_b=Photo_b; cathegory_c=Photo_c;
switch(state){
case 'over':  if (v_pho==0)document.images[cathegory].src=cathegory_c.src;
break;
case 'out': if (v_pho!=1) {document.images[cathegory].src=cathegory_a.src; v_pho=0};
break;
case 'down': if (v_pho!=1){document.images[cathegory].src=cathegory_b.src; v_pho=1;v_all=0; v_is=""; kp=1;} else if (v_pho==1){document.images[cathegory].src=cathegory_a.src; v_pho=2; kp=1;};
break;};}


else if (button=='Other'){
cathegory="Other"; cathegory_a=Other_a; cathegory_b=Other_b; cathegory_c=Other_c;
switch(state){
case 'over':  if (v_oth==0)document.images[cathegory].src=cathegory_c.src;
break;
case 'out': if (v_oth!=1) {document.images[cathegory].src=cathegory_a.src; v_oth=0};
break;
case 'down': if (v_oth!=1){document.images[cathegory].src=cathegory_b.src; v_oth=1;v_all=0; v_is=""; kp=1;} else if (v_oth==1){document.images[cathegory].src=cathegory_a.src; v_oth=2; kp=1;};
break;};}

else if (button=='Allcategories'){
cathegory="Allcategories"; cathegory_a=Allcategories_a; cathegory_b=Allcategories_b; cathegory_c=Allcategories_c;
switch(state){
case 'over':  if (v_all==0)document.images[cathegory].src=cathegory_c.src;
break;
case 'out': if (v_all!=1) {document.images[cathegory].src=cathegory_a.src; v_all=0};
break;
case 'down': if (v_all!=1){document.images[cathegory].src=cathegory_b.src; v_all=1;v_ant=0; v_con=0;v_per=0;v_pho=0;v_oth=0; v_is=""; kp=1;} else if (v_all==1){document.images[cathegory].src=cathegory_a.src; v_all=2; kp=1;};
break;};}


else if (button=='Details'){
switch(state){
case 'over':  document.images["Details"].src=Details_b.src;
break;
case 'out': if (v_details!=1) document.images["Details"].src=Details_a.src;
break;
case 'down':{if (v_details!=1){document.images["Details"].src=Details_b.src;  v_details=1; kp=1;} else if (v_details==1){document.images["Details"].src=Details_a.src;  v_details=0; kp=1;}}

break;};}

else if (button=='Event'){
switch(state){
case 'over':  document.images["Event"].src=Event_b.src;
break;
case 'out': if (v_event!=1) document.images["Event"].src=Event_a.src;
break;
case 'down': if (v_event!=1){document.images["Event"].src=Event_b.src; v_event=1; v_date=0; v_location=0; v_exhibitors=0; v_visitors=0; kp=1;}

break;};}

else if (button=='Date'){
switch(state){
case 'over':  document.images["Date"].src=Date_b.src;
break;
case 'out': if (v_date!=1) document.images["Date"].src=Date_a.src;
break;
case 'down': if (v_date!=1){document.images["Date"].src=Date_b.src; v_event=0; v_date=1; v_location=0; v_exhibitors=0; v_visitors=0; kp=1;}

break;};}

else if (button=='Location'){
switch(state){
case 'over':  document.images["Location"].src=Location_b.src;
break;
case 'out': if (v_location!=1) document.images["Location"].src=Location_a.src;
break;
case 'down': if (v_location!=1){document.images["Location"].src=Location_b.src; v_event=0; v_date=0; v_location=1; v_exhibitors=0; v_visitors=0; kp=1;}
if (v_details!=1){document.images["Details"].src=Details_a.src; }
break;};}

else if (button=='Exhibitors'){
switch(state){
case 'over':  document.images["Exhibitors"].src=Exhibitors_b.src;
break;
case 'out': if (v_exhibitors!=1) document.images["Exhibitors"].src=Exhibitors_a.src;
break;
case 'down': if (v_exhibitors!=1){document.images["Exhibitors"].src=Exhibitors_b.src; v_event=0; v_date=0; v_location=0; v_exhibitors=1; v_visitors=0; kp=1;}

break;};}

else if (button=='Visitors'){
switch(state){
case 'over':  document.images["Visitors"].src=Visitors_b.src;
break;
case 'out': if (v_visitors!=1) document.images["Visitors"].src=Visitors_a.src;
break;
case 'down': if (v_visitors!=1){document.images["Visitors"].src=Visitors_b.src; v_event=0; v_date=0; v_location=0; v_exhibitors=0; v_visitors=1; kp=1;}

break;};}
// original: >18

else if (button=='ArtNews' && v_res!=0 && v_num_res>18){

switch(state){
case 'over':  if (v_news==0) {document.images["ArtNews"].src=Show_Art_News_b.src; v_news=2;} else if(v_news==1) {document.images["ArtNews"].src=Hide_Art_News_b.src; v_news=3;}
break;

case 'out': if (v_news==0) {document.images["Artnews"].src=Show_Art_News_a.src; v_news=0;} else if(v_news==1) {document.images["ArtNews"].src=Hide_Art_News_a.src; v_news=1} else if(v_news==2) {document.images["ArtNews"].src=Show_Art_News_a.src; v_news=0;} else if(v_news==3) {document.images["ArtNews"].src=Hide_Art_News_a.src; v_news=1}
break;

case 'down': if (v_news==0 || v_news==2){v_news=1;kp=1;} else if (v_news==1 || v_news==3){v_news=0; kp=1;}

break;} ;} 


else if (button=='Print_pdf'){
v_pdf=1; kp=1;}

//Fensteraufruf aus Bildergallerie

else if (button=='pic_top'){
display = Pic_large[v_im];

switch(state){
case 'over': window.clearInterval(aktiv); 
document.images["pic_top_vl"].src=frame_vertical_b.src; document.images["pic_top_vr"].src=frame_vertical_b.src; break;
case 'out':  aktiv = window.setInterval("change_pic()", 0.5*change_pic_intervall); 
document.images["pic_top_vl"].src=frame_vertical_a.src;document.images["pic_top_vr"].src=frame_vertical_a.src; break ;
case 'down': win=window.open(display, "Artist", "height= "+screen.height+", width= "+screen.width+", left=0,top=0,resizable=yes,menubar=no,statusbar=yes, toolbar=yes, location=yes, scrollbars=yes");  break;
}}

else if (button=='pic_center'){
display = Pic_large[ii];

switch(state){
case 'over': window.clearInterval(aktiv);
document.images["pic_center_vl"].src=frame_vertical_b.src;document.images["pic_center_vr"].src=frame_vertical_b.src; break;
case 'out':  aktiv = window.setInterval("change_pic()", 0.5*change_pic_intervall); 
document.images["pic_center_vl"].src=frame_vertical_a.src;document.images["pic_center_vr"].src=frame_vertical_a.src; break  ;
case 'down': win=window.open(display, "Artist","height= "+screen.height+", width= "+screen.width+",left=0,top=0,resizable=yes,menubar=no,statusbar=yes, toolbar=yes, location=yes, scrollbars=yes");  break;
}}

else if (button=='pic_bottom'){
display = Pic_large[iii];

switch(state){
case 'over': window.clearInterval(aktiv); 
document.images["pic_bottom_vl"].src=frame_vertical_b.src;document.images["pic_bottom_vr"].src=frame_vertical_b.src; break;
case 'out':  aktiv = window.setInterval("change_pic()", 0.5*change_pic_intervall); 
document.images["pic_bottom_vl"].src=frame_vertical_a.src;document.images["pic_bottom_vr"].src=frame_vertical_a.src;break  ;
case 'down': win=window.open(display, "Artist","height= "+screen.height+", width= "+screen.width+",left=0,top=0,resizable=yes,menubar=no,statusbar=yes, toolbar=yes, location=yes, scrollbars=yes"); break;
}}
// ende fenster aufruf aus Bildergallerie

 

if (kp==1){
pressed_buttons[0] = v_jan;
pressed_buttons[1] = v_feb;
pressed_buttons[2] = v_mar;
pressed_buttons[3] = v_apr;
pressed_buttons[4] = v_may;
pressed_buttons[5] = v_jun;
pressed_buttons[6] = v_jul;
pressed_buttons[7] = v_aug;
pressed_buttons[8] = v_sep;
pressed_buttons[9] = v_oct;
pressed_buttons[10] = v_nov;
pressed_buttons[11] = v_dec;
pressed_buttons[12] = v_sa;
pressed_buttons[13] = v_ant;
pressed_buttons[14] = v_con;
pressed_buttons[15] = v_per; 
pressed_buttons[16] = v_pho; 
pressed_buttons[17] = v_oth; 
pressed_buttons[18] = v_all;

//aufruf der Sortierfunktionen
pressed_buttons[19] = v_event; 
pressed_buttons[20] = v_date; 
pressed_buttons[21] = v_location; 
pressed_buttons[22] = v_exhibitors;
pressed_buttons[23] = v_visitors; 
//ende aufruf der Sortierfunktionen
pressed_buttons[24] = v_is; // variable für search funktion
pressed_buttons[25] = v_pdf; // variable für pdf
pressed_buttons[26] = v_im; // variable für image nummer
pressed_buttons[27] = v_res; // gibt an ob auflösung ist als 1024px
pressed_buttons[28] = v_details; 
pressed_buttons[29] = v_news; // achtunge: höhcstes Element der Matrix pressedbuttons  ist 29

//nach eingabe eines search terms ist weder monat noch category ausgewäht. wenn user nun einen monat anklickt, wird automatisch "all categaries" ausgewäht.
array_month=0; array_category=0;
for(i=0;i<=12;i++) {array_month = array_month + pressed_buttons[i]};
for(i=13;i<=18;i++) {array_category = array_category + pressed_buttons[i]};
if(array_month != 0 && array_category == 0){pressed_buttons[18] = 1};
// ende automatische auswahl von "all categories"

var_java = pressed_buttons.toString();
self.location.href = "http://www.artvista.de?v=" + var_java ;
}} //ende der Funktion Navi