function openWindow(strURL,winName,winWidth,winHeight,action){
	var objWindow;

	//center window
	var screenMarginL=0;
	var screenMarginTop=0;
	if(winWidth>0 && winHeight>0){
		screenMarginL=(window.screen.availWidth - winWidth)/2;
		screenMarginTop=(window.screen.availHeight - winHeight)/2;
	}
	objWindow=window.open(strURL,winName,'scrollbars=no,resizable=no,width='+winWidth+',height='+winHeight+','+action+',left=' + screenMarginL + ',top=' + screenMarginTop);
}
function MM_openWindow(strURL,winName,winWidth,winHeight){
	var objWindow;

	//center window
	var screenMarginL=0;
	var screenMarginTop=0;
	if(winWidth>0 && winHeight>0){
		screenMarginL=(window.screen.availWidth - winWidth)/2;
		screenMarginTop=(window.screen.availHeight - winHeight)/2;
	}
	objWindow=window.open(strURL,winName,'scrollbars=yes,resizable=no,width='+winWidth+',height='+winHeight+',left=' + screenMarginL + ',top=' + screenMarginTop);
}