function printWindow(){
    window.print();
}
function openChild(file, smg){
	 var childWindow = window.open(file, smg, 'width=500, height=400, scrollbars=yes, toolbar=yes'); 
	//var childWindow = window.open(file); 
	if (childWindow != null && childWindow.opener == null){
	childWindow.opener = window;
	}
}