function blink(){
text = document.getElementById("blink").style.visibility;
if(text =="hidden") document.getElementById("blink").style.visibility = "visible";
else document.getElementById("blink").style.visibility = "hidden";
setTimeout("blink()",800);
}
   
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;   
};