function MM_openBrWindow(theURL,winName, width, height) { //v2.0
  //alert("hcgch");
	var popupWinX = width;
	var popupWinY = height;
	
	//alert(popupWinX);
	//alert(popupWinY);
	//var abc = theURL;
	var screenX = screen.width;
	var screenY = screen.height;
	//alert(screenX);

	var winX = (screenX/2)-(popupWinX/2);
	var winY = (screenY/2)-(popupWinY/2);
    
   // alert(theURL);
	//alert(winY);
	//window.open(theURL,'width=425,height=490');
	
 // window.open(theURL,winName,'width='+width+',height='+height+',left='+winX+',top='+winY);
	win=window.open(theURL,'winName','width='+width+',height='+height+',left='+winX+',top='+winY);
	//win.moveTo(100,100);
}