/* background-images */
var oBgImg;
var BgImg1;
var BgImg2;
var BgImg3;
var BgImg4;
var BgImg5;
var BgImg6;
var BgImg7;
var BgImg8;
var BgImg9;
var BgImg10;

var BgImg11;
var BgImg12;
var BgImg13;
var BgImg14;
var BgImg15;
var BgImg16;
var BgImg17;
var BgImg18;
var BgImg19;
var BgImg20;

var BgImg21;
var BgImg22;
var BgImg23;
var BgImg24;
var BgImg25;
var BgImg26;
var BgImg27;
var BgImg28;
var BgImg29;
var BgImg30;
var BgImg31;
var BgImg32;
var BgImg33;
var BgImg34;
var BgImg35;
var BgImg36;

/* thumbnails */
var oThumb;
var Thumb1;
var Thumb2;

function changeThumbnails(){
/* Globals: oThumb,Thumb1,Thumb2 */
         
         var oImage   = oThumb;
         var srcImage = oImage.src;
         var strImage = srcImage.toString();
         var arrImage = strImage.split("thumb");
         var extImage = arrImage[1];
         var idxImage = extImage.substring(0,1);
         var curIndex = parseInt( idxImage );
         switch(curIndex){
                case 1:
                     oImage.src = Thumb2.src;
                break;
                case 2:
                     oImage.src = Thumb1.src;
                break;
         }//endswitch
         
}//endfunc

function controlThumbnails( Event ){
/* Globals: oThumb,Thumb1,Thumb2 */

         var oEvent   = (Event)?Event:window["event"];
         var oElement = (oEvent.target)?oEvent.target:oEvent.srcElement;
         var tagName  = oElement.tagName;
         if( tagName=="IMG" ){
         
             var oImage   = oElement;
             var imgClass = oImage.className;
             if( imgClass=="thumb" ){
             
                 oThumb = oImage;
                 changeThumbnails();     
             
             }//endif 
             
         }//endif

}//endfunc

function preloadThumbnails(){
/* Globals: oThumb,Thumb1,Thumb2 */

         /* preload */                 
         Thumb1     = new Image();
         Thumb1.src = "img/thumb1.jpg";
         
         Thumb2     = new Image();
         Thumb2.src = "img/thumb2.jpg";

}//endfunc

function changeBackgroundImage(){
/* Globals: oBgImg,BgImg1,BgImg2,BgImg3 */
         
         var oImage   = oBgImg;
         var srcImage = oImage.src;
         var strImage = srcImage.toString();
         var arrImage = strImage.split("impr");
         var extImage = arrImage[1];
 
         var idxImage = extImage.substring(0,2);
 
         var curIndex = parseInt( idxImage );
//         alert(curIndex);
         switch(curIndex){
                case 1:
                     oImage.src = BgImg2.src;
                break;
                case 2:
                     oImage.src = BgImg3.src;
                break;
                case 3:
                     oImage.src = BgImg4.src;
                break;
                case 4:
                     oImage.src = BgImg5.src;
                break;
                case 5:
                     oImage.src = BgImg6.src;
                break;
                case 6:
                     oImage.src = BgImg7.src;
                break;
                case 7:
                     oImage.src = BgImg8.src;
                break;
                case 8:
                     oImage.src = BgImg9.src;
                break;
                case 9:
                     oImage.src = BgImg10.src;
                break;
                case 10:
                     oImage.src = BgImg11.src;
                break;
                case 11:
                     oImage.src = BgImg12.src;
                break;
                case 12:
                     oImage.src = BgImg13.src;
                break;
                case 13:
                     oImage.src = BgImg14.src;
                break;
                case 14:
                     oImage.src = BgImg15.src;
                break;
                case 15:
                     oImage.src = BgImg16.src;
                break;
                case 16:
                     oImage.src = BgImg17.src;
                break;
                case 17:
                     oImage.src = BgImg18.src;
                break;
                case 18:
                     oImage.src = BgImg19.src;
                break;
                case 19:
                     oImage.src = BgImg20.src;
                break;
                case 20:
                     oImage.src = BgImg21.src;
                break;
                case 21:
                     oImage.src = BgImg22.src;
                break;
                case 22:
                     oImage.src = BgImg23.src;
                break;
                case 23:
                     oImage.src = BgImg24.src;
                break;
                case 24:
                     oImage.src = BgImg25.src;
                break;
                case 25:
                     oImage.src = BgImg26.src;
                break;
                case 26:
                     oImage.src = BgImg27.src;
                break;
                case 27:
                     oImage.src = BgImg28.src;
                break;
                case 28:
                     oImage.src = BgImg29.src;
                break;
                case 29:
                     oImage.src = BgImg30.src;
                break;
                case 30:
                     oImage.src = BgImg31.src;
                break;
                case 31:
                     oImage.src = BgImg1.src;
                break;
                case 32:
                     oImage.src = BgImg33.src;
                break;
                case 33:
                     oImage.src = BgImg34.src;
                break;
                case 34:
                     oImage.src = BgImg35.src;
                break;
                case 35:
                     oImage.src = BgImg36.src;
                break;
             
                case 36:
                     oImage.src = BgImg1.src;
                break;
                
         }//endswitch
         
}//endfunc

function controlBackgroundImages(){ 
/* Globals: oBgImg,BgImg1,BgImg2,BgImg3 */

         oBgImg = document.getElementById( "impressie" );
         if( oBgImg ){
         document.onclick  = changeBackgroundImage;//();     
             //window.setInterval( "changeBackgroundImage()", 2000);         
         }//endif   
             
}//endfunc

function preloadBackgroundImages(){ 
/* Globals: oBgImg,BgImg1,BgImg2,BgImg3 */

         /* preload */         
         BgImg1     = new Image();
         BgImg1.src = "img/impr1.jpg";
         
         BgImg2     = new Image();
         BgImg2.src = "img/impr2.jpg";
         
         BgImg3     = new Image();
         BgImg3.src = "img/impr3.jpg";  
          
         BgImg4     = new Image();
         BgImg4.src = "img/impr4.jpg";
         
         BgImg5     = new Image();
         BgImg5.src = "img/impr5.jpg"; 
          
         BgImg6     = new Image();
         BgImg6.src = "img/impr6.jpg";
         
         BgImg7     = new Image();
         BgImg7.src = "img/impr7.jpg";  
         
         BgImg8     = new Image();
         BgImg8.src = "img/impr8.jpg";
         
         BgImg9     = new Image();
         BgImg9.src = "img/impr9.jpg";  
         
         BgImg10     = new Image();
         BgImg10.src = "img/impr10.jpg";  
         
         BgImg11     = new Image();
         BgImg11.src = "img/impr11.jpg";
         
         BgImg12     = new Image();
         BgImg12.src = "img/impr12.jpg";                   
         
         BgImg13     = new Image();
         BgImg13.src = "img/impr13.jpg";  
          
         BgImg14     = new Image();
         BgImg14.src = "img/impr14.jpg";
         
         BgImg15     = new Image();
         BgImg15.src = "img/impr15.jpg"; 
          
         BgImg16     = new Image();
         BgImg16.src = "img/impr16.jpg";
         
         BgImg17     = new Image();
         BgImg17.src = "img/impr17.jpg";  
         
         BgImg18     = new Image();
         BgImg18.src = "img/impr18.jpg";
         
         BgImg19     = new Image();
         BgImg19.src = "img/impr19.jpg";  
         
         BgImg20     = new Image();
         BgImg20.src = "img/impr20.jpg";  
         
         BgImg21     = new Image();
         BgImg21.src = "img/impr21.jpg";
         
         BgImg22     = new Image();
         BgImg22.src = "img/impr22.jpg";                   
         
         BgImg23     = new Image();
         BgImg23.src = "img/impr23.jpg";  
          
         BgImg24     = new Image();
         BgImg24.src = "img/impr24.jpg";
         
         BgImg25     = new Image();
         BgImg25.src = "img/impr25.jpg"; 
          
         BgImg26     = new Image();
         BgImg26.src = "img/impr26.jpg";
         
         BgImg27     = new Image();
         BgImg27.src = "img/impr27.jpg";  
         
         BgImg28     = new Image();
         BgImg28.src = "img/impr28.jpg";
         
         BgImg29     = new Image();
         BgImg29.src = "img/impr29.jpg";  
         
         BgImg30     = new Image();
         BgImg30.src = "img/impr30.jpg";  
         
         BgImg31     = new Image();
         BgImg31.src = "img/impr31.jpg";  

         BgImg32     = new Image();
         BgImg32.src = "img/impr32.jpg";                   
         
         BgImg33     = new Image();
         BgImg33.src = "img/impr33.jpg";  
          
         BgImg34     = new Image();
         BgImg34.src = "img/impr34.jpg";
         
         BgImg35     = new Image();
         BgImg35.src = "img/impr35.jpg"; 
          
         BgImg36     = new Image();
         BgImg36.src = "img/impr36.jpg";              
}//endfunc


/****************************************************************8
**** CONTROL
**/
function controlImpressie(){ 

         /* check page-request */
         var strSearch = document.location.search;
         if( strSearch.indexOf( "impressie" )>0 ){
         
             preloadBackgroundImages();
             controlBackgroundImages();
             
           //  preloadThumbnails();
           //  document.onmouseover = controlThumbnails;
           //  document.onmouseout  = controlThumbnails;
         
         }//endif
         
}//endfunc



