if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight))
{
	var myWidth = document.documentElement.clientWidth;
	var myHeight = document.documentElement.clientHeight;
}
else
{
	if (document.body && (document.body.clientWidth || document.body.clientHeight))
  {
		var myWidth = document.body.clientWidth;
		var myHeight = document.body.clientHeight;
	}
}

var newWindow;

function OpenPromoThumb(src, width, height, scrolls){
	if (newWindow)
		newWindow.close();

	var properties = "width="+width+", height="+height+", toolbar=no, location=no, directories=no, status=yes, menubar=no, scrollbars="+scrolls+", resizable=yes, top=" + (parseInt((myHeight-height)/2)) + ", left=" + (parseInt((myWidth - width)/2));
	newWindow = window.open(src, "PhotoWindow", properties);
	newWindow.focus();
}