/* jquery conflict */
jQuery.noConflict();
var j$ = jQuery;

j$(function(){
imgRoll();
});

/*---------------
image rollover
----------------*/
function imgRoll(){
	var outImgName = "_ovoff";
	var overImgName = "_ovon";
	var preload = new Array();

	if(document.getElementsByTagName){
		var imgTagData = document.getElementsByTagName("img");
		var reOverImg = new RegExp(outImgName + "+(\.[a-z]+)$");
		var reOutImg = new RegExp(overImgName + "+(\.[a-z]+)$");

		for(var i=0; i<imgTagData.length; i++){
			if(imgTagData[i].getAttribute("src").match(reOverImg)){
				preload[i] = new Image();
				preload[i].src = imgTagData[i].getAttribute("src").replace(reOverImg, overImgName + "$1");

				imgTagData[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace(reOverImg, overImgName + "$1"));
				}

				imgTagData[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace(reOutImg, outImgName + "$1"));
				}
			}
		}
	}

	if(document.getElementsByTagName){
		var inputTagData = document.getElementsByTagName("input");
		var reOverImg = new RegExp(outImgName + "+(\.[a-z]+)$");
		var reOutImg = new RegExp(overImgName + "+(\.[a-z]+)$");

		for(var i=0; i<inputTagData.length; i++){
			if(inputTagData[i].src && inputTagData[i].getAttribute("src").match(reOverImg)){
				preload[i] = new Image();
				preload[i].src = inputTagData[i].getAttribute("src").replace(reOverImg, overImgName + "$1");

				inputTagData[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace(reOverImg, overImgName + "$1"));
				}

				inputTagData[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace(reOutImg, outImgName + "$1"));
				}
			}
		}
	}
}

/*---------------
cookie
----------------*/
function setCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function getCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}