<!-- div toggle begin-->

  function toggleDiv(divid){
    if(document.getElementById(divid).style.display == 'none'){
      document.getElementById(divid).style.display = 'block';
    }else{
      document.getElementById(divid).style.display = 'none';
    }
  }

<!--div toggle end-->


function chatpopup(url, scroll){
var scrollable;
scroll? scrollable=",scrollbars": scrollable="";
newwin = window.open(url, "winpopup1","WIDTH=600,HEIGHT=600" + scrollable);
newwin.focus();
}