var clickiDiv_isOpen=false;
 function  switchClickiDiv(){
	clickiDiv=document.getElementById("referer");
	if(clickiDiv_isOpen)
	{
		clickiDiv.style.width="0px";
		clickiDiv.style.height="0px";
		clickiDiv.style.overflow="hidden";
		clickiDiv.style.display="none";
	}else{
		clickiDiv.style.width="auto";
		clickiDiv.style.height="auto";
		clickiDiv.style.overflow="visible";
		clickiDiv.style.display="block";
	}
	clickiDiv_isOpen=!clickiDiv_isOpen;
  }   
  document.onkeydown=function(eventTag){ 
	  var key=90;
	  var event = eventTag||window.event;     
	  var currentKey = event.charCode||event.keyCode;     
	  if(event.ctrlKey&&(currentKey==key))
	  {
		  switchClickiDiv();
		  event.returnValue=false;
		  event.cancelBubble=true;
	  }
  }