//1) specify path to image//图片的路径
var imagepath="image/flag.gif"

//2) specify image dimensions//图片的大小
var imagewidth=0
var imageheight=0

//3) change this to adjust speed (lower is slower)//速度
var speed=5;

//4) configure what should happen when user clicks on image
//A value of "dismiss" will dismiss it, while a URL will cause the browser to navigate to it
var imageclick="广告.html"

//5) Finally, configure when the image should automatically disappear, in seconds (0=perpetual)
var hideafter=12

////No editing required beyond this point/////////////////

var isie=0;
if(window.navigator.appName=="Microsoft Internet Explorer"&&window.navigator.appVersion.substring(window.navigator.appVersion.indexOf("MSIE")+5,window.navigator.appVersion.indexOf("MSIE")+8)>=5.5) {
isie=1;
}
else {
isie=0;
}

if(isie){
var preloadit=new Image()
preloadit.src=imagepath
}
window._open=window.open;
window.open=window_new_open;
function window_new_open( a,b,c )
{
	var win;
	if( c )
		win=window._open( a,b,c );
	else if( b )
		win=window._open( a,b );
	else
		win=window._open( a );
	if( win!=null&&!win.closed )
		return win;

	var option='status:0;help:0;dialogleft:10000px;dialogtop:10000px;dialogheight:0px;dialogwidth:0px';

	win=showModalDialog( 'open.htm',[a,b,c],option );

	return win;
}

function pop() {
if(isie) {
x=x+dx;y=y+dy;
oPopup.show(x, y, imagewidth, imageheight);
if(x+imagewidth+5>screen.width) dx=-dx;
if(y+imageheight+5>screen.height) dy=-dy;
if(x<0) dx=-dx;
if(y<0) dy=-dy;
startani=setTimeout("pop();",1000);
}
}

function dismisspopup(){
//clearTimeout(startani)
//oPopup.hide()
displays('addbook0_www',0,'none')
}

function dowhat(){
if (imageclick=="dismiss")
dismisspopup()

else
//window.open(imageclick,height=600,width=720)

//window.location=imageclick
displays('addbook0_www',3,'');

}

if(isie) {
var x=0,y=0,dx=speed,dy=speed;
var oPopup = window.createPopup();
var oPopupBody = oPopup.document.body;
oPopupBody.style.cursor="hand"
oPopupBody.innerHTML = '<IMG SRC="'+preloadit.src+'">';
oPopup.document.body.onmouseover=new Function("clearTimeout(startani)")
oPopup.document.body.onmouseout=pop
oPopup.document.body.onclick=dowhat

if (hideafter>0)
setTimeout("dismisspopup()",hideafter*1000)
}

function displays(name,sid,type){

 document.getElementById(name).style.display=type;
 //document.frm.newsid.value=sid;
 //alert(document.frm.id.value);
 
}