function doa(id){
	for (i=1;i<=3;i++){
		document.getElementById('div'+i).style.display='none'
		document.getElementById('domenu'+i).className='domenu'
	}
	document.getElementById('div'+id).style.display=''
	document.getElementById('domenu'+id).className='domenuSelected'
}
function b(id){
	for (i=1;i<=6;i++){
		document.getElementById('divp'+i).style.display='none'
		document.getElementById('promenu'+i).className='promenu'
		
	}
	document.getElementById('divp'+id).style.display=''
	document.getElementById('promenu'+id).className='promenuSelected'
}
function c(id){
	for (i=1;i<=3;i++){
		document.getElementById('divn'+i).style.display='none'
		document.getElementById('newsmenu'+i).className='newsmenu'
		
	}
	document.getElementById('divn'+id).style.display=''
	document.getElementById('newsmenu'+id).className='newsmenuSelected'
}

	function qiehuan(num){
		for(id = 1;id<12;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";
			}
		}
	}