//加载后是否保持广告显示状态
var obj_div= document.getElementById('LP_position_r');

cookiedata = document.cookie;    
if ( cookiedata.indexOf("maindiv1=done") < 0 ) {    
	obj_div.style.visibility = "visible";   
} else {   
	obj_div.style.visibility = "hidden";    
}

function resetTop() {	
	obj_div.style.top =  document.documentElement.scrollTop + "px";
}
//addEvent(window, "scroll", resetTop);
window.onscroll = resetTop;


function setCookie( name, value, expiredays ) {    
	var todayDate = new Date();    
	todayDate.setDate( todayDate.getDate() + expiredays );
	document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"    
}

function closeWin() {    
	if ( document.pop2.checkbox.checked){    
		setCookie( "maindiv1", "done" , 1 );    
	}
	obj_div.style.visibility = "hidden";   
}

function MM_findObj(n, d) { //v4.01
	var p,i,x;
	if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all) x=d.all[n];
	for (i=0; !x&&i<d.forms.length; i++) x=d.forms[i][n];
	for (i=0; !x&&d.layers&&i<d.layers.length; i++) x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById) x=d.getElementById(n);
	return x;
}

function MM_showHideLayers() { //v6.0
	var i,p,v,obj,args= MM_showHideLayers.arguments;
	for (i=0; i<(args.length-2); i+=3)
		if ((obj=MM_findObj(args[i]))!=null) {
			v=args[i+2];
		if (obj.style) {
			obj= obj.style;
			v=(v=='show')? 'visible':(v=='hide')? 'hidden': v; 
		}
		obj.visibility=v; 
	}
}