function toggle(div)
{
var option=['impression'];

for(var i=0; i<option.length; i++) {
  obj=document.getElementById(option[i]);
  obj.style.display=(option[i]==div) && !(obj.style.display=="block")? "block" : "none";
  }
}

var debugMode = 0;
var optionsPopup = "scrollbars=no,resizable=yes,menubar=no,toolbar=no,location=no,width=200,height=150,top=50,left=50";

function openPopup(url){

 if(debugMode == 1){
  alert(url);
 }

 window.open('/popup.php?pic='+url+'', "popup", optionsPopup);
}