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

function FindObject(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=FindObject(n,d.layers[i].document);
		
	if(!x && d.getElementById) 
		x=d.getElementById(n); 
	
	return x;
}

function SwapImage() { //v3.0
	var i,j=0,x,a=SwapImage.arguments;
	document.SwapArray=new Array; 
	
	for(i=0;i<(a.length-2);i+=3)
		if ((x=FindObject(a[i]))!=null)
			{
				document.SwapArray[j++]=x; 
				if(!x.oSrc) x.oSrc=x.src; 
				x.src=a[i+2];
			}
}

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

function popup(url,width,height) {
	var top = (screen.width) ? (screen.width-width)/2 : 0;
	var left = (screen.height) ? (screen.height-height)/2 : 0;
		
	window.open(url,'', 'top=' + top + ',left=' + left + ',toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + '');
}