function openWindow(url,name,width,height,feater){
	var winl = (screen.width - width) / 2;
	var wint = (screen.height - height) / 2;
	var win=window.open(url,name,"height="+height+",width="+width+",top="+wint+",left="+winl+","+feater);
	if (parseInt(navigator.appVersion) >= 4) {
		win.window.focus();
	}
}

function askit(){
    if(form1.search_title.value==''){
        alert('请填写要提问的内容');
    }else{
       window.open('iask.asp?action=new&search_title='+form1.search_title.value); 
    }
    
}    
function hide_div(id){
    var e=document.getElementById("div_"+id);
    e.style.display='none';
}
function show_div(id){
    var e=document.getElementById("div_"+id);
    e.style.display='block';
}