﻿/* * *
 * 系统方法
 * @Copyright 花都之窗
 * @author Alin 2009.广州花都 
 * @QQ 410589305 
 */
function srcMarquee(){
	this.ID = document.getElementById(arguments[0]);
	if(!this.ID){this.ID = -1;return;}
	this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.Correct = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
	this.Step = 1;
	this.Timer = 30;
	this.DirectionArray = {"top":0 , "bottom":1 , "left":2 , "right":3};
	if(typeof arguments[1] == "number")this.Direction = arguments[1];
	if(typeof arguments[2] == "number")this.Step = arguments[2];
	if(typeof arguments[3] == "number")this.Width = arguments[3];
	if(typeof arguments[4] == "number")this.Height = arguments[4];
	if(typeof arguments[5] == "number")this.Timer = arguments[5];
	if(typeof arguments[6] == "number")this.DelayTime = arguments[6];
	if(typeof arguments[7] == "number")this.WaitTime = arguments[7];
	if(typeof arguments[8] == "number")this.ScrollStep = arguments[8]
	this.ID.style.overflow = this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
	this.ID.noWrap = true;
	this.IsNotOpera = (navigator.userAgent.toLowerCase().indexOf("opera") == -1);
	if(arguments.length >= 7)this.Start();
}
srcMarquee.prototype.Start = function(){
	if(this.ID == -1)return;
	if(this.WaitTime < 800)this.WaitTime = 800;
	if(this.Timer < 20)this.Timer = 20;
	if(this.Width == 0)this.Width = parseInt(this.ID.style.width);
	if(this.Height == 0)this.Height = parseInt(this.ID.style.height);
	if(typeof this.Direction == "string")this.Direction = this.DirectionArray[this.Direction.toString().toLowerCase()];
	this.HalfWidth = Math.round(this.Width / 2);
	this.BakStep = this.Step;
	this.ID.style.width = this.Width;
	this.ID.style.height = this.Height;
	if(typeof this.ScrollStep != "number")this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
	var msobj = this;
	var timer = this.Timer;
	var delaytime = this.DelayTime;
	var waittime = this.WaitTime;
	msobj.StartID = function(){msobj.Scroll()}
	msobj.Continue = function(){
		if(msobj.MouseOver == 1){
		setTimeout(msobj.Continue,delaytime);
     }
     else{ clearInterval(msobj.TimerID);
		msobj.CTL = msobj.Stop = 0;
		msobj.TimerID = setInterval(msobj.StartID,timer);
     }
    }
	msobj.Pause = function(){
		msobj.Stop = 1;
		clearInterval(msobj.TimerID);
		setTimeout(msobj.Continue,delaytime);
    }
	msobj.Begin = function(){
   msobj.ClientScroll = msobj.Direction > 1 ? msobj.ID.scrollWidth : msobj.ID.scrollHeight;
   if((msobj.Direction <= 1 && msobj.ClientScroll <msobj.Height) || (msobj.Direction > 1 && msobj.ClientScroll <msobj.Width))return;
   msobj.ID.innerHTML += msobj.ID.innerHTML;
   msobj.TimerID = setInterval(msobj.StartID,timer);
   if(msobj.ScrollStep < 0)return;
   msobj.ID.onmousemove = function(event){
       if(msobj.ScrollStep == 0 && msobj.Direction > 1){
			var event = event || window.event;
			if(window.event){
				if(msobj.IsNotOpera){msobj.EventLeft = event.srcElement.id == msobj.ID.id ? event.offsetX - msobj.ID.scrollLeft : event.srcElement.offsetLeft - msobj.ID.scrollLeft + event.offsetX;}
				else{msobj.ScrollStep = null;return;}
			}
			else{msobj.EventLeft = event.layerX - msobj.ID.scrollLeft;}
			msobj.Direction = msobj.EventLeft > msobj.HalfWidth ? 3 : 2;
			msobj.AbsCenter = Math.abs(msobj.HalfWidth - msobj.EventLeft);
			msobj.Step = Math.round(msobj.AbsCenter * (msobj.BakStep*2) / msobj.HalfWidth);
			}
		}
		msobj.ID.onmouseover = function(){
			if(msobj.ScrollStep == 0)return;
			msobj.MouseOver = 1;
			clearInterval(msobj.TimerID);
		}
		msobj.ID.onmouseout = function(){
		if(msobj.ScrollStep == 0){
			if(msobj.Step == 0)msobj.Step = 1;
			return;
		}
		msobj.MouseOver = 0;
		if(msobj.Stop == 0){
			clearInterval(msobj.TimerID);
			msobj.TimerID = setInterval(msobj.StartID,timer);
		}}}
		setTimeout(msobj.Begin,waittime);
}

srcMarquee.prototype.Scroll = function(){
	switch(this.Direction){
	case 0:
	this.CTL += this.Step;
	if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
		this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL;
		this.Pause();
		return;
	}
	else{
		if(this.ID.scrollTop >= this.ClientScroll){this.ID.scrollTop -= this.ClientScroll;}
		this.ID.scrollTop += this.Step;
	}
	break;

	case 1:
	this.CTL += this.Step;
	if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
		this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL;
		this.Pause();
		return;
	}
	else{
		if(this.ID.scrollTop <= 0){this.ID.scrollTop += this.ClientScroll;}
		this.ID.scrollTop -= this.Step;
	}
	break;

	case 2:
	this.CTL += this.Step;
	if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
		this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL;
		this.Pause();
		return;
	}
	else{
		if(this.ID.scrollLeft >= this.ClientScroll){this.ID.scrollLeft -= this.ClientScroll;}
		this.ID.scrollLeft += this.Step;
	}
	break;

	case 3:
	this.CTL += this.Step;
	if(this.CTL >= this.ScrollStep && this.DelayTime > 0){
		this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL;
		this.Pause();
		return;
	}
	else{
		if(this.ID.scrollLeft <= 0){this.ID.scrollLeft += this.ClientScroll;}
	this.ID.scrollLeft -= this.Step;
	}
	break;
	}
	}
//颜色切换
function SetCookie(name,value){
     var argv=SetCookie.arguments;
     var argc=SetCookie.arguments.length;
     var expires=(2<argc)?argv[2]:null;
     var path=(3<argc)?argv[3]:null;
     var domain=(4<argc)?argv[4]:null;
     var secure=(5<argc)?argv[5]:false;
     document.cookie=name+"="+escape(value)+((expires==null)?"":("; expires="+expires.toGMTString()))+((path==null)?"":("; path="+path))+((domain==null)?"":("; domain="+domain))+((secure==true)?"; secure":"");
}

function GetCookie(Name) {
     var search = Name + "=";
     var returnvalue = "";
     if (document.cookie.length > 0) {
           offset = document.cookie.indexOf(search);
           if (offset != -1) {      
                 offset += search.length;
                 end = document.cookie.indexOf(";", offset);                        
                 if (end == -1)
                       end = document.cookie.length;
                 returnvalue=unescape(document.cookie.substring(offset,end));
           }
     }
     return returnvalue;
}

function changecss(url){
     if(url!=""){
           skin.href=url;
           var expdate=new Date();
           expdate.setTime(expdate.getTime()+(24*60*60*1000*30));
           SetCookie("nowskin",url,expdate,"/",null,false);
     }
}	
