function newImage(arg) {
               if (document.images) {              
		            rslt = new Image();		            
		            rslt.src = arg;		            
		            return rslt;		           
	            }
	            
            }

            function changeImages() {
                if (document.images && (preloadFlag == true)) {                           
		            for (var i=0; i<changeImages.arguments.length; i+=2) {		              	             
			            document[changeImages.arguments[i]].src = changeImages.arguments[i+1];			            
		            }
	            }
            }

            var preloadFlag = false;
            function preloadImages() {
	            if (document.images) {	           
		            img1_over = newImage("images/As_muose_over_07.gif");
		            img2_over = newImage("images/As_muose_over_12.gif");	            
		            img3_over = newImage("images/As_muose_over_13.gif");
		            img4_over = newImage("images/As_muose_over_14.gif");
		            img5_over = newImage("images/As_muose_over_15.gif");
		            img6_over = newImage("images/As_muose_over_18.gif");
		            img7_over = newImage("images/As_muose_over_19.gif");
		            img8_over = newImage("images/As_muose_over_21.gif");
		            preloadFlag = true;
	            }
            }
  function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}