function initRoi() {
	  	var r = Math.round(100000*Math.random())
	  	if (!getCookie('roiSess')) {
	  		setcookie('roiSess', (r+clock()));
	  	}
	  	roiImgGetStr();
	}
	function clock() {
		var date = new Date();
		return(date.getYear()+date.getMonth()+date.getDate()+date.getHours()+date.getMinutes()+date.getSeconds());
	}
	function roiImgGetStr() {
		if(document.getElementById('roiImg'))
		{
		   img = document.getElementById('roiImg');		
   	       img.src = "/managers/roiManager.php?path="+escape(location.href)+"&ref="+escape(document.referrer);
   	    }
 	}