var oNewWin = null;
openWin = function(strUrl,windowName,settings) 
{ 
	//open a new window either pass settings or use a pre-defined name
	//if (windowName == 'somewin') {settings = 'height=450,width=450,scrollbars=0';}
	oNewWin = window.open(strUrl, windowName, settings);
	oNewWin.focus(); 
}