/*--------------------------------------------------------------------------*
 *  
 *  imageReplace JavaScript Library beta3
 *  
 *  MIT-style license. 
 *  
 *  2007 Kazuma Nishihata 
 *  http://www.webcreativepark.net
 *  
 *--------------------------------------------------------------------------*/

new function(){
	
	var ImagesDir = "";
	
	if(window.addEventListener){
		window.addEventListener('load',imageReplace,false);
	}else if(window.attachEvent){
		window.attachEvent('onload',imageReplace);
	}
	
	function imageReplace(){

		elements = document.getElementsByClassName("imageReplace");

		for (var i=0; i<elements.length; i++) {

			var element = elements[i];

			var classnames = element.getAttribute('className') || element.getAttribute('class');
			var classes = classnames.split(" ");
			if(classes[2]){
				var onImg  = " onmouseover=\"this.src='"+ImagesDir+classes[2]+"'\"";
				var offImg = " onmouseout=\"this.src='"+ImagesDir+classes[1]+"'\"";
			}else{
				var onImg  = "";
				var offImg = "";
			}
			if(classes[1])element.innerHTML = '<img src="'+ImagesDir+classes[1]+'" alt="'+element.innerHTML+'" id="imageReplace'+i+'" border="0" '+onImg+offImg+'/>';
		}
	}
	
	document.getElementsByClassName = function(className){
		var i, j, eltClass;
		var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
		var objCN = new Array();
		for (i = 0; i < objAll.length; i++) {
			eltClass = objAll[i].className.split(/\s+/);
			for (j = 0; j < eltClass.length; j++) {
				if (eltClass[j] == className) {
					objCN.push(objAll[i]);
					break;
				}
			}
		}
		return objCN;
	}
}

/*go top*/
function setGoTop() {
	var aTagList = document.getElementsByTagName('a');
	for (var i = 0; i < aTagList.length; i++) {
		if (aTagList[i].href.match(/#hdBg/i)) {
			aTagList[i].onclick = goPageTop;
		}
	}
}
var goTopMove = 20; 
var goTopPosi;
function goPageTop() { 
	var yPos = document.body.scrollTop || document.documentElement.scrollTop;
	mObj(yPos);
	return false;
}
function mObj(y, s) { 
	if (s) goTopMove = s;
	goTopPosi = parseInt(y - y * 2 / goTopMove);
	scrollTo(0, goTopPosi);
	if (goTopPosi > 0) setTimeout('mObj(goTopPosi, goTopMove)', 1);
}
if (window.addEventListener) window.addEventListener('load', setGoTop, false);
if (window.attachEvent) window.attachEvent('onload', setGoTop);