var _Common_ = {
	initRollovers:function(){
		if (!document.getElementById) return
		var aPreLoad = new Array();
		var sTempSrc;
		var aImages = document.getElementsByTagName('img');
		var img_Len = aImages.length;
		for (var i = 0; i < img_Len; i++) {		
			if (aImages[i].className == 'over') {
				var src = aImages[i].getAttribute('src');
				var ftype = src.substring(src.lastIndexOf('.'), src.length);
				var hsrc = src.replace(ftype, '_over'+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('_x'+ftype, ftype);
					this.setAttribute('src', sTempSrc);
				}
			}
		} 
		
		var aInputs = document.getElementsByTagName('input');
		var img_Len = aInputs.length;
		for (var i = 0; i < img_Len; i++) {		
			if (aInputs[i].className == 'over') {
				var src = aInputs[i].getAttribute('src');
				var ftype = src.substring(src.lastIndexOf('.'), src.length);
				var hsrc = src.replace(ftype, '_over'+ftype);
	
				aInputs[i].setAttribute('hsrc', hsrc);
				aPreLoad[i] = new Image();
				aPreLoad[i].src = hsrc;
				aInputs[i].onmouseover = function() {
					sTempSrc = this.getAttribute('src');
					this.setAttribute('src', this.getAttribute('hsrc'));
				}	
				aInputs[i].onmouseout = function() {
					if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_x'+ftype, ftype);
					this.setAttribute('src', sTempSrc);
				}
			}
		}   
		return;
	},
	rand:function(x){
		number = Math.floor(Math.random() * x);
		return number;
	},


	addLoadEvent:function(func){
		var oldonload = window.onload;
		if (typeof window.onload != 'function') {
			window.onload = func;
		}
		else {
			window.onload = function() {
				func();
				oldonload();
			}
		}
	}
}
var Cookie = { //cookie
	read:function(CookieName){
		if(document.cookie){
			var cookie_Data = document.cookie;
			var Name =cookie_Data.indexOf(CookieName + "=",0);
			if(Name >= 0){
				var Data = cookie_Data.indexOf(";",Name + CookieName.length + 1);
				Data >= 0? Data = cookie_Data.substring(Name + CookieName.length + 1,Data): Data = cookie_Data.substring(Name + CookieName.length + 1,cookie_Data.length);
				return(Data);
			}
		}
		return(false);
	},
	set:function(CookieName,Value){
		var time =new Date();
		time.setTime(time.getTime() + (1000*365*60*60*24));
		var exptime =";expires=" + time.toGMTString();
		document.cookie = CookieName + "=" + Value + exptime + "; path=/";
	},
	Delete:function(CookieName){
		var time =new Date();
		time.setTime(time.getTime() - (1000*365*60*60*24));
		var exptime =";expires=" + time.toGMTString();
		document.cookie = CookieName + "=" + exptime + "; path=/";
	}
}

_Common_.addLoadEvent(_Common_.initRollovers);


function getScrollLeft() { 
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollLeft;
 } else if (window.pageXOffset) {
  return window.pageXOffset;
 } else {
  return 0;
 }
}

function getScrollTop() { 
 if ((navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1)) {
  return document.body.scrollTop;
 } else if (window.pageYOffset) {
  return window.pageYOffset;
 } else {
  return 0;
 }
}

var pageScrollTimer;
function pageScroll(toX,toY,frms,cuX,cuY) { 
 if (pageScrollTimer) clearTimeout(pageScrollTimer);
 if (!toX || toX < 0) toX = 0;
 if (!toY || toY < 0) toY = 0;
 if (!cuX) cuX = 0 + getScrollLeft();
 if (!cuY) cuY = 0 + getScrollTop();
 if (!frms) frms = 6;

 if (toY > cuY && toY > (getAnchorPosObj('end','enddiv').y) - getInnerSize().height) toY = (getAnchorPosObj('end','enddiv').y - getInnerSize().height) + 1;
 cuX += (toX - getScrollLeft()) / frms; if (cuX < 0) cuX = 0;
 cuY += (toY - getScrollTop()) / frms;  if (cuY < 0) cuY = 0;
 var posX = Math.floor(cuX);
 var posY = Math.floor(cuY);
 window.scrollTo(posX, posY);

 if (posX != toX || posY != toY) {
  pageScrollTimer = setTimeout("pageScroll("+toX+","+toY+","+frms+","+cuX+","+cuY+")",16);
 }
}

function jumpToPageTop() { 
  pageScroll(0,0,3);
}