function popup (theURL,W,H, wtype){
	if (document.all){
		var xMax = screen.width, yMax = screen.height;
	}
	else{
		if (document.layers){
			var xMax = window.outerWidth, yMax = window.outerHeight;
		}
		else{
			var xMax = 640, yMax=480;
		}
	}
	var xOffset = (xMax - W)/2, yOffset = (yMax - H)/2;
	open(theURL, wtype, 'scrollbars=yes,width='+W+',height='+H+',top='+0+',left='+0);
	return false;
}

function imagePop(theURL,W,H, wtype){
	if(W)
	{
		popup (theURL,parseInt(W)+50,parseInt(H)+60, wtype);
	}
	return false;
}

function switch_image(image, width, height, id){
	document.getElementById('image').src = image;
	document.getElementById('popHref').href = "return popup('/lat/popup/?image=" + id +"'," + width +"," + height +")";
	return false;
}