function OpenImage(elName) {
	var elURL = 'images/bg_'+elName+'.gif';
	var inTitle = 'popupWin';
	var internalArgs = 'scrollbars=false,resizable=false,toolbar=false,status=false,width=420,height=360,left=50,top=50';

	popupWin = window.open(elURL,inTitle,internalArgs);

 	popupWin.focus();

	return false;
}