function toggle(t_id){
	var d = document;
	if(d.getElementById(t_id).style.display == 'none'){
		d.getElementById(t_id).style.display = 'block';
	}else{
		d.getElementById(t_id).style.display = 'none';
	}
}

function file_get_contents(url){
	if(window.XMLHttpRequest){
		request = new XMLHttpRequest();
	}else if(window.ActiveXObject){
		request = new ActiveXObject("Microsoft.XMLHTTP");
	}
	request.open("GET", url, false);
	request.send(null);
	return request.responseText;
}

function areaCnt(pref){
	//var str = encodeURL(pref); 
	var url = 'http://www.chiryokajob.jp/api/area_counter.php?area=' + pref;
	document.write( file_get_contents(url) );
}

function gotoTop() {
	var x1 = x2 = x3 = 0;
	var y1 = y2 = y3 = 0;
	if(document.documentElement){
		x1 = document.documentElement.scrollLeft || 0;
		y1 = document.documentElement.scrollTop || 0;
	}
	if(document.body){
		x2 = document.body.scrollLeft || 0;
		y2 = document.body.scrollLeft || 0;
	}
	x3 = window.scrollX || 0;
	y3 = window.scrollY || 0;
	var x = Math.max(x1, Math.max(x2, x3));
	var y = Math.max(y1, Math.max(y2, y3));
	window.scrollTo(Math.floor(x / 2), Math.floor(y / 2));
	if(x > 0 || y > 0){
		window.setTimeout("gotoTop()", 25);
	}
}

function scrollto(id) {
	var d = document.getElementById(id);
	var y = d.offsetTop;
	var x = d.offsetLeft;
	window.scrollTo(x,y);
}


function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+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('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

window.onload = initRollovers;