//onload Script
window.onload = function() {
	initRollovers();
//	doPopup();
}

//Script For Change Image
function initRollovers() {
	if (!document.getElementById) return

	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');
	var iImages = document.getElementsByTagName('input');

	for (var i = 0; i < aImages.length; i++) {		
//		if (aImages[i].className == 'imgover') {
		if (aImages[i].className.indexOf('imgover') != -1) {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}

	for (var i = 0; i < iImages.length; i++) {		
//		if (iImages[i].className == 'imgover') {
		if (iImages[i].className.indexOf('imgover') != -1) {
			var src = iImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_on'+ftype);

			iImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			iImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			iImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}

}

/*
//Script For Popup
function doPopup() {
	if (!document.getElementsByTagName) return false;
	var links = document.getElementsByTagName("a");

	for (var i=0; i < links.length; i++) {
		if(links[i].className.match("popup")) {
			links[i].onclick = function() {
			window.open(this.href ,"popwWindow","scrollbars=no,width=420,height=580");
			return false;
			}
		}
	}
	return false;
}
*/

//サーチボックス
function checkSelect(){
	var selectArea = document.getElementById("jobArea").selectedIndex;
	var selectKind = document.getElementById("jobKind").selectedIndex;
	var selectType = document.getElementById("jobType").selectedIndex;
	if(selectArea == 0 || selectKind == 0 || selectType == 0){
		alert("3つ項目を選択してから検索ボタンを押してください。");
	}
}


//要素を消す
function chgDisplayBlock(){
	for(i=0; i<arguments.length; i++){
		document.getElementById(arguments[i]).style.display = "block";
	}
}

//要素を出す
function chgDisplayNone(){
	for(i=0; i<arguments.length; i++){
		document.getElementById(arguments[i]).style.display = "none";
	}
}

//要素を出す/消す切り替え（デフォルトで非表示）
function switchDisplayBlock(){
	for(i=0; i<arguments.length; i++){
		var currentDisplay = document.getElementById(arguments[i]).style.display;
		if(currentDisplay == "" || currentDisplay == "none"){
			document.getElementById(arguments[i]).style.display = "block"
		}else{
			document.getElementById(arguments[i]).style.display = "none"
		}
	}
}

//要素を表示する
function chgVisibilityVisible(){
	for(i=0; i<arguments.length; i++){
		document.getElementById(arguments[i]).style.visibility = "visible";
	}
}

//要素を非表示する
function chgVisibilityHidden(){
	for(i=0; i<arguments.length; i++){
		document.getElementById(arguments[i]).style.visibility = "hidden";
	}
}


//要素を表示/非表示切り替え（デフォルトで表示）
function switchVisibilityHidden(){
	for(i=0; i<arguments.length; i++){
		var currentVisibility = document.getElementById(arguments[i]).style.visibility;
		if(currentVisibility == "" || currentVisibility == "visible"){
			document.getElementById(arguments[i]).style.visibility = "hidden"
		}else{
			document.getElementById(arguments[i]).style.visibility = "visible"
		}
	}
}