function switchTabs(tabNum, parentId) {
	var tabs = document.getElementById(parentId.id).getElementsByTagName('li');
	var boxId = parentId.parentNode.id;
	for (var i = 0; i < tabs.length; i++) {
		var thisTab = tabs[i];
		if ((thisTab.id != '')) {
			document.getElementById(boxId+'-content'+i).style.display = 'none';
			if (i == tabNum) {
					thisTab.className = 'on';
				document.getElementById(boxId+'-content'+i).style.display = 'block';
			} else {
				thisTab.className = '';
			}
		}
	}
}


function Show_topADMenu(topadid_num,topadnum){
	for(var i=0;i<11;i++){document.getElementById("topadcontent_"+topadid_num+i).style.display="none";}
	for(var i=0;i<11;i++){document.getElementById("topadmenu_"+topadid_num+i).className="";}
	document.getElementById("topadmenu_"+topadid_num+topadnum).className="on";
	document.getElementById("topadcontent_"+topadid_num+topadnum).style.display="block";
}


function set_newsign(i){
	select_main_one(i);
}
function select_main_one(i){
	switch(i){
		case 1:
		document.getElementById("headnews1").style.display="block";
		document.getElementById("headnews2").style.display="none";
		document.getElementById("headnews3").style.display="none";
		document.getElementById("headnews4").style.display="none";
		break;
		case 2:
		document.getElementById("headnews1").style.display="none";
		document.getElementById("headnews2").style.display="block";
		document.getElementById("headnews3").style.display="none";
		document.getElementById("headnews4").style.display="none";
		break;
		case 3:
		document.getElementById("headnews1").style.display="none";
		document.getElementById("headnews2").style.display="none";
		document.getElementById("headnews3").style.display="block";
		document.getElementById("headnews4").style.display="none";
		break;
		case 4:
		document.getElementById("headnews1").style.display="none";
		document.getElementById("headnews2").style.display="none";
		document.getElementById("headnews3").style.display="none";
		document.getElementById("headnews4").style.display="block";
		break;

	}
}