var preLoadImg = new Object();
function initRollOvers(){
	$("img.rollover").each(function(){
		var imgSrc = this.src;
		var sep = imgSrc.lastIndexOf('.');
		var onSrc = imgSrc.substr(0, sep) + '_on' + imgSrc.substr(sep, 4);
		preLoadImg[imgSrc] = new Image();
		preLoadImg[imgSrc].src = onSrc;
		$(this).hover(function() { this.src = onSrc; },function() { this.src = imgSrc; });
	});
}
$(function(){
	initRollOvers();
	/*--- For Site Serch Submit ---*/
	$('#site-search-btn').mouseover(function(){this.style.backgroundPosition = "left -25px";});
	$('#site-search-btn').mouseout(function(){this.style.backgroundPosition = "left top";});
});