/* Roll Over Images Script
---------------------------------------------------- */
function initRollovers() {
	
	if (!document.getElementById) return;
	
	var overPath = "_on";
	
	var categoryArray = ["seihin","investor", "recruit", "company"];
	
	for ( var i = 0 ; i < categoryArray.length ; i++ ) {
		
		var cate = categoryArray[i];
		
		if ( document.getElementById( cate ) ) {
			
			var image = document.getElementById( cate + "Menu");
			var src = image.src;
			
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, overPath+ftype);
			
			image.src = hsrc;
			image.className = "";
			
		}
	}
	
	
	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, overPath+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(overPath+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
			
			aImages[i].onclick = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_on'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}

		}
	}
}

window.onload = initonLoad;


function initonLoad() {
	initRollovers();
}

/* BackToTop Script
---------------------------------------------------- */
function backToTop() {
  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.scrollTop || 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("backToTop()", 25);
  }
}

/*「このページの先頭へ」に仕込むリンクは以下のとおり
--------------------------------------------------------

<a href="#" onclick="backToTop(); return false">このページの先頭へ</a>

--------------------------------------------------------*/


/* Window Open Script
---------------------------------------------------- */
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

/* Jump Menu
---------------------------------------------------- */
function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}