function find_openwindow(){
	var imgs, i;
	var a = document.getElementsByTagName('a');
	for (i=0; i<a.length; i++){
		if(/openwindow/.test(a[i].className)){
			a[i].onclick = function(){ openwindow(this); return false; };
		}
	}
}

function find_popup(){
	var imgs, i;
	var a = document.getElementsByTagName('a');
	for (i=0; i<a.length; i++){
		if(/popup/.test(a[i].className)){
			a[i].onclick = function(){ openpopup(this); return false; };
		}
	}
}

function openwindow(o){
	if (o != null){
		var window = open(o.href);
		window.focus();
		window.location = o.href;
	}
}

function openpopup(o){
	if (o != null){
		var properties = "left=50,top=50,width=700,height=500,resizable=yes";
		var window = open(o.href, "popup", properties);
		window.focus();
		window.location = o.href;
	}
}

window.onload=function(){
	find_openwindow();
	find_popup();
}