// JavaScript Document
function showvideo(para)
{
	hidevideo();
	eval("document.getElementById('item_"+para+"').className='float_left main_tit_kuang';");
	eval("document.getElementById('video_"+para+"').style.display='';");
}
function hidevideo()
{
	document.getElementById("item_qyxx").className="float_left main_tit2";
	document.getElementById("item_ndjl").className="float_left main_tit2";
	document.getElementById("item_zdsj").className="float_left main_tit2";
	
	document.getElementById("video_qyxx").style.display="none";
	document.getElementById("video_ndjl").style.display="none";
	document.getElementById("video_zdsj").style.display="none";
}

function showdesign(para)
{
	hidedesign();
	eval("document.getElementById('design_"+para+"').className='float_left main_tit_kuang';");
	eval("document.getElementById('works_"+para+"').style.display='';");
}
function hidedesign()
{
	document.getElementById("design_classic").className="float_left main_tit2";
	document.getElementById("design_good").className="float_left main_tit2";
	
	document.getElementById("works_classic").style.display="none";
	document.getElementById("works_good").style.display="none";
}