function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function emWinOpen(cfFile) {

	var wopenStatus = "toolbar=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=530,height=700";
	if(navigator.userAgent.indexOf("Netscape6") == 1){
		cfwin = window.open(cfFile,'cf',wopenStatus);
	}else{
		cfwin = window.open(cfFile,'cf',wopenStatus);
	}
	cfwin.focus();
}

$(function(){
	var preloadImg = new Object;
	$("img.imgro").each(
		function(){
			var imgSrc = this.src;
			var dotNum = imgSrc.lastIndexOf("." , imgSrc.length);
			var replaceStr = imgSrc.substr(dotNum, imgSrc.length);
			var imgOnSrc = imgSrc.replace(replaceStr, "_f2" + replaceStr);
			preloadImg = new Image();
			preloadImg.src = imgOnSrc;
			$(this).hover(
				function(){this.src = imgOnSrc;},
				function(){this.src = imgSrc;}
			);
	});
});