$(document).ready(function(){
    var preLoad = new Object();
    $('img.Over,input.Over').not("[src*='_on.']").each(function(){
        var imgSrc = this.src;
        var fType = imgSrc.substring(imgSrc.lastIndexOf('.'));
        var imgName = imgSrc.substr(0, imgSrc.lastIndexOf('.'));
        var imgOver = imgName + '_on' + fType;
        preLoad[this.src] = new Image();
        preLoad[this.src].src = imgOver;
        $(this).hover(
            function (){
                this.src = imgOver;
            },
            function (){
                this.src = imgSrc;
            }
        );
    });
});

$(document).ready(function(){
	function magin(){
		var C = 650;
		var H = $('html').innerHeight();
		var M = (H - C)/2;
		if(M > 0){
			$('#BgTL').css('margin-top',M);
		};
	};
	$(window).load(function(){
		magin();
	});
	$(window).resize(function(){
		magin();
	});
});