function popwin(url){
	var PW;
	PW=window.open(url,"popupWindow","width=670,height=900,toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes");
	PW.focus();
}

// ====================== popup ======================  //

window.onload = function (){
var node_a = document.getElementsByTagName('a');
for (var i in node_a) {
if(node_a[i].className == 'popup'){
node_a[i].onclick = function() {
return winOpen(this.href, this.rel)
};
}
}
} ;
function winOpen(url, rel) {
var split = rel.split(',') ;
window.open(
url,'popup',
'width='+ split[0] +',height='+ split[1] +',toolbar=no,location=no,status=no,menubar=no,scrollbars=yes,resizable=yes');
return false;
};