function popWin(sURL,sWinName,iW,iH,doScroll) {
	    	//alert(sURL);
	        var iLeft = (screen.width-iW)/2;
	        var iTop = (screen.height-iH)/2;
	        var features = doScroll?'scrollbars=1,':'scrollbars=0,';
	        features += 'status=0,menubar=0,left='+iLeft+',top='+iTop+',width='+iW+',height='+iH;
	           
	        newWin = window.open(sURL,sWinName,features);
	        newWin.focus();
	    }