function popup() {
	window.open(this.href, '_blank', 'toolbar=0,scrollbars=1,location=0,left=500,top=50,statusbar=0,menubar=0,resizable=1,width=400,height=300');
	return false;
}

function popupBig() {
	window.open(this.href, '_blank', 'toolbar=0,scrollbars=1,location=0,left=500,top=50,statusbar=0,menubar=0,resizable=1,width=355,height=333');
	return false;
}



function setPopups(){ 
	for (i= document.links.length; i-->0;)
	    if (document.links[i].className == 'popup') {
	      document.links[i].onclick= popup;
		} else if (document.links[i].className == 'externalPopup') {
		  document.links[i].onclick= externalPopup;
		} else if (document.links[i].className == 'popupBig') {
			document.links[i].onclick= popupBig;
		}
}