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;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

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 setVis(id, vis, displayNone) {
    if (id != '') {
        if (displayNone == undefined || (displayNone != true && displayNone != false)) {
            displayNone = true;
        }
	    obj = MM_findObj(id);
	    if (obj == undefined) {
	        return;
	    }
	    
	    if(document.getElementById || document.all){//all the modern browsers
		    obj.style.visibility = vis ? "visible" : "hidden";
		    if (displayNone) {
		        obj.style.display = vis ? "block" : "none";
		    }
	    }
	    else if(document.layers){//this is NS4
		    obj.visibility = vis ? "show" : "hide";
		    if (displayNone) {
    		    obj.display = vis ? "block" : "hide";
            }
	    }  
	}
}

function swapImages(imageNo,totImages)
{
	var i=1;
	for (i=1;i<totImages+1;i++)
	{
		setVis('image' + i,false);
		document.getElementById('no'+i).src = 'images/no'+i+'.gif';
	}
	setVis('image' + imageNo,true);
	document.getElementById('no'+imageNo).src = 'images/no'+imageNo+'_over.gif';
}