$(function(){
	$("img.jrv_img").mouseover(function(){
		$(this).attr("src",$(this).attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_ov$2"));
	}).mouseout(function(){
		$(this).attr("src",$(this).attr("src").replace(/^(.+)_ov(\.[a-z]+)$/, "$1$2"));
	}).each(function(){
		$("<img>").attr("src",$(this).attr("src").replace(/^(.+)(\.[a-z]+)$/, "$1_ov$2"));
	});
});
	

$(function btnConform(){
	var inputs = document.getElementsByTagName("input");
	for( var i=0,j=inputs.length; i<j; i++){
	var btn = inputs[i]; 
	if(btn.getAttribute("class") ){
		if(btn.getAttribute("class") == "input_btn"){
			btn.onmouseover = function(){
				btn.style.backgroundPosition = 'left -20px';
				return false;
		}
			btn.onmouseout = function(){
				btn.style.backgroundPosition = 'left top';
				return false;
				}
		}
	}
	else if(btn.getAttribute("className")){
		if(btn.getAttribute("className") == "input_btn"){
			btn.onmouseover = function(){
				btn.style.backgroundPosition = 'left -20px';
				return false;
				}
				btn.onmouseout = function(){
				btn.style.backgroundPosition = 'left top';
				return false;
				}
			}
	}
	}
});