// Renluo.cn  Document
function setTabc(name,cursel,n){
 for(i=1;i<=n;i++){
  var menu=document.getElementById(name+i);
 	var con=document.getElementById(name+"Con"+i);
 	if(i==cursel)
	{
		menu.className=name+"On";
		//alert(menu.className)
		
		}else{
			
		menu.className=name+"Out";
		}
   con.style.display=i==cursel?"block":"none";
 }
}

function Check(){
  if (document.form1.Content.value==''){
    alert('请输入内容！');
    document.form1.Content.focus();
    return false;
  }
  return true;  
}

//双击鼠标滚动屏幕的代码
var currentpos,timer;
function initialize()
{
timer=setInterval ("scrollwindow ()",30);
}
function sc()
{
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos !=document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize