function createPopup() {
    var x = document.getElementsByTagName('a');
    for(var i = 0; i < x.length; i++) {
       if(x[i].getAttribute('rel') == 'gallerypopup') {
	   
	   x[i].onclick = new Function('window.open("' + x[i].getAttribute('href') + '","myWindow", "status=1,height=850,width=600,location=yes,menubar=no,resizable=0,toolbar=no");return false');
           
           }
       }
    }