function hide(it){/*ÏÔÒþ²Ëµ¥*/
	it.children[1].style.visibility="hidden";
	it.children[1].style.display="none";
}
function show(it){	
	it.children[1].style.visibility="visible";
	it.children[1].style.display="block";
}
function showplate(){
	var plate = document.all.whichplate.value;
	if (plate=="plate_self"){
		document.all.form_login_self.style.display="block";
		document.all.form_login_parent.style.display="none";
		document.all.login.style.background="#e7eff7";
		
	}
	else{
		document.all.form_login_parent.style.display="block";
		document.all.form_login_self.style.display="none";
		document.all.login.style.background="#b5e7ff";
	}	
}
function popwin(url,name)
{
	var features='width='+window.screen.width+',height='+window.screen.height+',scrollbars=1,left=0,top=0, resizable=yes';
	window.open(url,'_blank',features);
}

function popwin2(url,name,width,height){
	if(width=='')
		width='800';
	if(height=='')
		height='600'
	var features='width='+window.screen.width+',height='+window.screen.height+',scrollbars=1,left=0,top=0, resizable=yes';
	window.open(url,name,features);
}