// popup windows

window.onload = function() {
	
	// degrade gracefully
	if (!document.getElementsByTagName) {
		return false;
	}
	
	// a tags
	links_a = document.getElementsByTagName("a");
	
	//
	for (var i=0; i<links_a.length; i++) {
		
		// if (links_a[i].getAttribute("class") == "popup") {
		if (links_a[i].className == "popup") {
		
			links_a[i].onclick = function() {
				
				pop_up(this.getAttribute("href"));
				return false;
			
			}
		
		} else {
			// alert("doesn't");
		}
	
	}

}

// pop_up function
function pop_up(winURL) {
	window.open(winURL, "popup");
}