function openWindow(src,name) {
    msgWindow=open(src,name,'resizable=yes,width=800,height=600,scrollbars=yes');
    if (msgWindow.opener == null) msgWindow.opener = self;
}

function newPreviewImageWindow(imagesrc) {
	image = new Image();
	image.src = imagesrc;
	var width = image.width + 50;
	var height = image.height + 50;
	if ( width == 50 || height == 50 ) {
		width = 300;
		height = 300;
	}
    msgWindow=open(imagesrc,'preview','resizable=yes,width='+width+',height='+height+',scrollbars=yes');
    if (msgWindow.opener == null) msgWindow.opener = self;
}