function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft;
		curtop = obj.offsetTop;
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		}
	}
	return [curleft,curtop];
}

function showModel(obj, model_num) {

	coords = findPos(obj);
	div_name = "model_" + model_num;

	var p = document.getElementById(div_name);
		
	x = coords[0];	
	y = coords[1];

	//scoot popup to right of M icon	
	x += 20;
	
	p.style.top = y + 'px';
	p.style.left = x + 'px';
	
	p.style.display = "list-item";
}

function closeModel() {
	
	popups = document.getElementsByTagName("div"); 
	
	for (i = 0; i < popups.length; i++ ) { 
		if (popups[i].className == 'model_popup' )  {
			var p = document.getElementById(popups[i].id);
			p.style.display = "none";
 		} 
	}
	
	//var p = document.getElementById("model");
	//p.style.display = "none";
}