function suitPic() {
    var imgName = "post_img";
    var width   = 0;
    var height  = 0;
    var changed = 0;
    var setwidth = 650;
    var setheight = 2000;
    var post_img = document.getElementsByName(imgName);
    try {
        for (i = 0; i < post_img.length; i++) {
            width = post_img[i].width;
            height = post_img[i].height;
            changed = 0;
            if (post_img[i].width > setwidth) {
                n = post_img[i].width / setwidth;
                post_img[i].width = setwidth;
                post_img[i].height = height / n;
                changed = 1;
            }
            if (post_img[i].height > setheight) {
                n = post_img[i].height / setheight
                post_img[i].width = post_img[i].width / n;
                post_img[i].height = setheight;
                changed = 1;
            }
            if (changed == 1) {

            }
        }
        window.setTimeout("suitPic()", 100);
    }
    catch(e) {
        window.setTimeout("suitPic()", 100);
    }
}
suitPic();

//if(self!=top){top.location=self.location;}

var bV = parseInt(navigator.appVersion);
var NN4 = document.layers ? true : false;
var IE4 = document.all && bV >= 4 ? true : false;

function showTip(obj) {
		if (NN4) {
		document.layers[obj].visibility = 'visible';
		}
		else if(IE4){
		document.getElementById(obj).style.visibility = 'visible';
		}
}

function keepTip(obj)
{
	//var obj = 'TipBox';
	if (typeof(hideTimeOut) != 'undefined') clearTimeout(hideTimeOut);
	if (NN4) {
		document.layers[obj].visibility = 'visible';
	}
	else if(IE4) {
		document.getElementById(obj).style.visibility = 'visible';
	}
}

function hideTip(obj)
{
  	if (NN4)
	{
		if (document.layers[obj] != null) {
			document.layers[obj].visibility = 'hidden';
			}
	}
	else if(IE4){
		document.getElementById(obj).style.visibility = 'hidden';
	}
	if (typeof(hideTimeOut) != 'undefined') clearTimeout(hideTimeOut);
}

function HighlightAll(theField) {
var tempval=document.form1.purl
tempval.focus()
tempval.select()
therange=tempval.createTextRange()
therange.execCommand("Copy")}

var refer = document.referrer;

 function ResumeError() {
 return true;
 }
 window.onerror = ResumeError;

function hidetrail(){	
	gettrailobj().display= "none";
	document.onmousemove=""
	gettrailobj().left="-1000px"
	clearTimeout(timer);
}

function animate()
{
var elem = document.getElementById('progress');
if(elem != null) {
if (pos==0) len += dir;
if (len>32 || pos>79) pos += dir;
if (pos>79) len -= dir;
if (pos>79 && len==0) pos=0;
elem.style.left = pos;
elem.style.width = len;
}
}

function remove_loading() {
this.clearInterval(t_id);
var targelem = document.getElementById('loader_container');
targelem.style.display='none';
targelem.style.visibility='hidden';
var t_id = setInterval(animate,60);
}

function gettrailobj(){
if (document.getElementById)
return document.getElementById("preview_div").style
}

function gettrailobjnostyle(){
if (document.getElementById)
return document.getElementById("preview_div")
}


function truebody(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
}


function showtrail(imagename,title,width,height){
	i = imagename
	t = title
	w = width
	h = height
	timer = setTimeout("show('"+i+"',t,w,h);",200);
}

function show(imagename,title,width,height){
 
    var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth - offsetfrommouse[0]
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if( (navigator.userAgent.indexOf("Konqueror")==-1  || navigator.userAgent.indexOf("Firefox")!=-1 || (navigator.userAgent.indexOf("Opera")==-1 && navigator.appVersion.indexOf("MSIE")!=-1)) && (docwidth>650 && docheight>500)) {
		( width == 0 ) ? width = defaultimagewidth: '';
		( height == 0 ) ? height = defaultimageheight: '';
		w1=width
		h1=height	
		width+=30
		height+=55
		defaultimageheight = height
		defaultimagewidth = width
	
		document.onmousemove=followmouse; 

		
		newHTML = '<div class="border_preview" style="width:'+  width +'px;height:'+ height +'px"><div id="loader_container"><div id="loader"><div align="center">ÕýÔÚµ¼ÈëÍ¼Æ¬......</div><div id="loader_bg"><div id="progress"> </div></div></div></div>';
//		newHTML = newHTML + '<h2>' + ' '+title + '</h2>'
		
    	newHTML = newHTML + '<div class="preview_temp_load"><img onload="javascript:remove_loading();" src="' + imagename + '" border="0" width="'+w1+'" height="'+h1+'"></div>';
		newHTML = newHTML + title
		newHTML = newHTML + '</div>'; 
		
		if(navigator.userAgent.indexOf("MSIE")!=-1 && navigator.userAgent.indexOf("Opera")==-1 ){
			newHTML = newHTML+'<iframe src="about:blank" scrolling="no" frameborder="0" width="'+width+'" height="'+height+'"></iframe>';
		}		

		gettrailobjnostyle().innerHTML = newHTML;
		gettrailobj().display="block";
	}
}

function followmouse(e){

	var xcoord=offsetfrommouse[0]
	var ycoord=offsetfrommouse[1]

	var docwidth=document.all? truebody().scrollLeft+truebody().clientWidth : pageXOffset+window.innerWidth-15
	var docheight=document.all? Math.min(truebody().scrollHeight, truebody().clientHeight) : Math.min(window.innerHeight)

	if (typeof e != "undefined"){
		if (docwidth - e.pageX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = e.pageX - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += e.pageX;
		}
		if (docheight - e.pageY < defaultimageheight + 2*offsetfrommouse[1]){
			ycoord += e.pageY - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + e.pageY - docheight - truebody().scrollTop));
		} else {
			ycoord += e.pageY;
		}

	} else if (typeof window.event != "undefined"){
		if (docwidth - event.clientX < defaultimagewidth + 2*offsetfrommouse[0]){
			xcoord = event.clientX + truebody().scrollLeft - xcoord - defaultimagewidth; // Move to the left side of the cursor
		} else {
			xcoord += truebody().scrollLeft+event.clientX
		}
		if (docheight - event.clientY < (defaultimageheight + 2*offsetfrommouse[1])){
			ycoord += event.clientY + truebody().scrollTop - Math.max(0,(2*offsetfrommouse[1] + defaultimageheight + event.clientY - docheight));
		} else {
			ycoord += truebody().scrollTop + event.clientY;
		}
	}
	gettrailobj().left=xcoord+"px"
	gettrailobj().top=ycoord+"px"

}

var offsetfrommouse=[15,25]; //image x,y offsets from cursor position in pixels. Enter 0,0 for no offset
var displayduration=0; //duration in seconds image should remain visible. 0 for always.
var defaultimageheight = 40;	// maximum image size.
var defaultimagewidth = 40;	// maximum image size.
var timer;
var t_id = setInterval(animate,20);
var pos=0;
var dir=2;
var len=0;
document.writeln("<div style=\"display: none; position: absolute;z-index:110; \" id=\"preview_div\"><\/div>");


