// Shows popup window of a cpecified size at specified position
function _showpopup(l, w, h, x, y, title) {
	var a="channelmode=no,directories=no,width="+w+",height="+h+
		",location=no,menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no,left="+x+",top="+y;
	LD_pw = window.open(l, "_blank", a);
	LD_pw.document.title = title
	LD_pw.document.body.leftMargin = 0;
	LD_pw.document.body.topMargin = 0;
}
// Preloads images
function _preloadimages() {
	var d=document;
	if (d.images){
		if(!d.preimg) d.preimg=new Array();
		var i, j=d.preimg.length, a=_preloadimages.arguments;
		for (i=0; i<a.length; i++)
			if (a[i].indexOf("#")!=0){
				d.preimg[j]=new Image;
				d.preimg[j++].src=a[i];
			}
	}
}