function scqh(num){
    for (var i=1; i<5; i++)
    {
        if(i==num)
        {
              document.getElementById("scdiv"+i).style.display="block";
		      document.getElementById("mysc"+i).className="scdh_on";
		}
	    else
	    {
			  document.getElementById("scdiv"+i).style.display="none";
			  document.getElementById("mysc"+i).className="scdh_off";
		}
    }                   
}
function qiehuan(num){

		for(var id = 1;id<=13;id++)
		{
			if(id==num)
			{
				document.getElementById("qh_con"+id).style.display="block";
				document.getElementById("mynav"+id).className="nav_on";
			}
			else
			{
				document.getElementById("qh_con"+id).style.display="none";
				document.getElementById("mynav"+id).className="nav_off";
			}
		}
	}
  function bianse(){
          document.getElementById("mynav13").classname="go"
  }

  function bianse2(){
          document.getElementById("mynav13").classname=""
  }

  function qh(num){
  for(var id = 1;id<=6;id++)
		{
			if(id==num)
			{
				document.getElementById("myqh_"+id).style.display="block";
				document.getElementById("myspan_"+id).className="mou_on";
			}
			else
			{
				document.getElementById("myqh_"+id).style.display="none";
				document.getElementById("myspan_"+id).className="mou_off";
			}
		}
	}
	
                var msg_index=1;
                var max_msg=12;
                var msgobj=null;msgobj=setInterval(right,2500);
                function myqh(num){
                msg_index=num;
                for (var id=1; id<13; id++)
                       {
                           if(id==num)
                           {
                                document.getElementById("Div"+id).style.display="block";
				                document.getElementById("A"+id).className="msg_on";
			               }
			               else
			               {
				                document.getElementById("Div"+id).style.display="none";
				                document.getElementById("A"+id).className="msg_off";
			               }
                       }
                }
                function msgchangeall() {
                for (i=1;i<13;i++) 
                      {
                          eval("Div"+i).style.display="none";
                          eval("A"+i).className="msg_off";
                      }
                }
                function left(){
                     msgchangeall()  
                     msg_index--;
                     if(msg_index<1){msg_index=max_msg}
                     eval("Div"+msg_index).style.display="block";
                     eval("A"+msg_index).className="msg_on";      
                }
                function right(){
                     msg_index++;
                     msgchangeall();
                     if(msg_index>max_msg){msg_index=1}
                     eval("Div"+msg_index).style.display="block";
                     eval("A"+msg_index).className="msg_on"; 
                }
                function jxqh(number){
                   for (var n=1; n<10; n++)
                       {
                           if(n==number)
                           {
                                document.getElementById("jx"+n).style.display="block";
				                document.getElementById("jxdh"+n).className="jxdh_on";
			               }
			               else
			               {
				                document.getElementById("jx"+n).style.display="none";
				                document.getElementById("jxdh"+n).className="jxdh_off";
			               }
                       }
                }