//选项卡特效
function woaicssq(num){
for(var id = 1;id<=3;id++)
{
var MrJin="woaicss_con"+id;
if(id==num)
document.getElementById(MrJin).style.display="block";
else
document.getElementById(MrJin).style.display="none";
}
if(num==1) 
document.getElementById("woaicsstitle").className="woaicss_title woaicss_title_bg1";
if(num==2)
document.getElementById("woaicsstitle").className="woaicss_title woaicss_title_bg2";
if(num==3)
document.getElementById("woaicsstitle").className="woaicss_title woaicss_title_bg3";
}

//字体特效
function changefont(str)
{
    var theDiv=document.getElementById("dynamic_content");
    theDiv.className=str;
}