// ******** JS_FILE by chang 2007-10-23 *********



// ########## IMG PreLoad 图片预载
function PreLoad() {
	var d = document;
	if(d.images){
		if(!d.My_IMG) d.My_IMG = new Array();
		var i , j = d.My_IMG.length , a = PreLoad.arguments;
		for(i=0; i<a.length; i++) if (a[i].indexOf("#")!=0){
			d.My_IMG[j] = new Image;
			d.My_IMG[j++].src = a[i];
		}
	}
}


// ########## TO_TOP 回到顶部

isIE = document.all;            // 浏览器(IE)の检查用
isN6 = document.getElementById; // 浏览器(N6)の检查用
isN4 = document.layers;         // 浏览器(N4)の检查用
myObj = "";                     // 浏览器オブジェクト退避用

//	var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
//	var Win = navigator.appVersion.indexOf('Win',0) != -1;
//	var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
//	var NN  = navigator.appName.indexOf("Netscape",0) != -1;
//	var Moz = navigator.userAgent.indexOf("Gecko") != -1;
//	var Vmajor = parseInt(navigator.appVersion); // ex. 3
//	var Vminor = parseFloat(navigator.appVersion); // ex. 3.01

//	var MacIE4 = ((Mac && navigator.appVersion.indexOf('MSIE 4.',0) != -1));
//	var MacIE3 = ((Mac && navigator.appVersion.indexOf('MSIE 3.',0) != -1));

function CurrLeft() {
	if (isIE) {
		if(document.compatMode){
			return document.documentElement.scrollLeft;
		}else{
			return document.body.scrollLeft;
		}
	} else if (window.pageXOffset) {
		return window.pageXOffset;
	} else {
		return 0;
	}
}

function CurrTop() {
	if (isIE) {
		if(document.compatMode=="CSS1Compat"){
			return document.documentElement.scrollTop;
		}else{
			return document.body.scrollTop;
		}
	} else if (window.pageYOffset) {
		return window.pageYOffset;
	} else {
		return 0;
	}
}


var TimerOfScrollPage;
var currX;
var currY;
var unittime = 2;

function ScrollPage(toX, toY, breaking) {
	if (TimerOfScrollPage) clearTimeout(TimerOfScrollPage);

	if (!toX || toX < 0)	{toX = 0;}
	if (!toY || toY < 0)	{toY = 0;}
	if (!currX)	{currX = CurrLeft();}
	if (!currY)	{currY = CurrTop();}
	if (!breaking)	{breaking = 5;}

//	alert("stop " + toX + "," + toY + "," + currX + "," + currY);

	currX += (toX - CurrLeft()) / breaking;
	if (currX < 0) {currX = 0;}
	currY += (toY - CurrTop()) / breaking;
	if (currY < 0) {currY = 0;}

//	alert("stop " + currX + "," + currY);


	currX = Math.floor(currX);
	currY = Math.floor(currY);
	window.scrollTo(currX, currY);

//	alert("stop " + currX + "," + currY );

	if (currX != toX || currY != toY) {

//		alert("set timer " + toX + "," + toY + "," + breaking);

		TimerOfScrollPage = setTimeout("ScrollPage(" + toX + "," + toY + "," + breaking + ")", unittime);
	}
}

function JumpToPageTop() {
	ScrollPage(0, 0, 10);
}





// ########## 双击鼠标滚动屏幕的代码

var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize




// E N D