var GO = function(elemId){
		if(document.getElementById){
			return document.getElementById(elemId);
		}else if(document.layers){
			document.layers[elemId];
		}else{
			return eval('document.all.' + elemId);
		}
	}
	//GO("wdivname_2").className='wdiv_n';
	
	//window.onload=csh;
	setTimeout('csh()',100);
	function csh()
	{
		if(GO("showclass"))
		{
			var tempstr=GO("showclass").value;
			if(GO("d_"+tempstr))
			GO("d_"+tempstr).className='menu_1';
			GO("d_"+tempstr+"_1").style.color='#000000';
			GO("d_"+tempstr).onmouseout='';
			GO("d_"+tempstr).onmouseover='';

		}
		
	}
	
	function wdivchange(obj)
	{
		
		if(GO("wdivname_1"))
		{
		  GO("wdivname_1").className='wdiv_n';
		  GO("wdivname_2").className='wdiv_n';
		  GO("d1").style.display='none';
		  GO("d2").style.display='none';
		}
		if(GO(obj))
		{
			GO(obj).className='wdiv';
			if(obj=='wdivname_1')
			 GO("d1").style.display='block';
			 else
			 GO("d2").style.display='block';
		}
		
	}
	
	function titlechange(obj)
	{
		for(var i=1;i<3;i++)
		{
		  if(!GO("wzx_"+i))break;
		  GO("wzx_"+i).src='/img/zx'+i+'_1.jpg';
		  GO("w_content_"+i).style.display='none';
		}
		if(GO("wzx_"+obj))
		{
			GO("wzx_"+obj).src='/img/zx'+obj+'.jpg';
			if(GO("w_content_"+obj))
			 GO("w_content_"+obj).style.display='block';
		}
	}
	
	function helpshow(obj)
	{ //alert(obj);
		if(GO(obj))
		{
		 if(GO(obj).style.display=='none')
		 GO(obj).style.display='block';
		 else
		 GO(obj).style.display='none';
		}
	}