function setBlock(block,l,t,v){
	block.style.left=(l<0)?block.style.left:l;
	block.style.top=(t<0)?block.style.top:t;
	block.style.visibility=(v!=0)?"visible":"hidden";
}
function setColor(block,colorB,colorF){
	block.style.backgroundColor=(block.style.backgroundColor!=colorB)?colorB:block.style.backgroundColor;
	block.style.color=(block.style.color!=colorF)?colorF:block.style.color;
}
function openNewWin(path,code){
	open(path+"?code="+code,"newWin","toolbar=yes,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=500,height=500");
}
function gotoURL(url){
	document.location.href=url;
}
function error(){
	if(confirm("您还没有登录。如果您还不是我们的会员，现在申请加入么？")){
		gotoURL("join.php")
	}
}
function init(){
//	window.open("ad.html","","toolbar=no;location=yes,directories=no,status=no,menubar=no,scrollbars=no,resizble=0,width=500,height=400");
}