function qiehuan(num){/*首页标签切换代码*/
		for(var id = 0;id<=1;id++)
		{
			if(id==num)
			{
				document.getElementById("qh_con"+id).style.display="block";
				document.getElementById("mymenu-dh"+id).className="menu-dh_on";
			}
			else
			{
				document.getElementById("qh_con"+id).style.display="none";
				document.getElementById("mymenu-dh"+id).className="";
			}
		}
	}


	function ptjj(num){/*平台简介标签切换代码*/
		for(var id = 0;id<=4;id++)
		{
			if(id==num)
			{
				document.getElementById("qh_con"+id).style.display="block";
				document.getElementById("mymenu-dh"+id).className="menu-dh_on";
			}
			else
			{
				document.getElementById("qh_con"+id).style.display="none";
				document.getElementById("mymenu-dh"+id).className="";
			}
		}
	}