function Default_Home()
{this.home.style.behavior='url(#default#homepage)';this.home.setHomePage('http://www.y321.com/');
}
function GetEvent(id)
{
	if(document.getElementById)
	{
		return document.getElementById(id);
	}
	else if(document.all)
	{
		return document.all[id];
	}
	else if(document.layers)
	{
		return document.layers[id];
	}
}
function doZoom(size){
	GetEvent("newsContent").style.fontSize=size+'px'
}