// scripts.js

function popWindow(choice,myWidth,myHeight,myScrollbars,myTop,myLeft,myMenubar) {
window.open (choice, "","width="+myWidth+",height="+myHeight+",scrollbars="+myScrollbars+",top="+myTop+",left="+myLeft+",menubar="+myMenubar+",bgcolor=#ffffff,resizable=yes");
}

var last_div="";
function showDiv(div_info) {
    if(last_div!="")document.getElementById(last_div).style.display = 'none';
	if(div_info!=""){
		document.getElementById(div_info).style.display = 'block';
		last_div=div_info;
	}
}

function submitCompare(form) {
	var count = 0;
	
	if (form.compare.length == null) {
		if (form.compare.checked) {
			count++;
		}
	} else {
		for (var i = 0; i < form.compare.length; i++) {
			if (form.compare[i].checked) {
				count++;
			}
		}
	}
	
	if (count == 0) {
		alert('Please select up to 3 products to compare!');
	} else if (count > 3) {
		alert('You may only select a maximum of 3 products to compare!');
	} else {
		form.submit();
	}
}