function ChangeLayer(str)
{
	document.all.div01.style.display = "none" ;
	document.all.div02.style.display = "none" ;
	document.all.news01.style.display = "none" ;
	document.all.news02.style.display = "none" ;
	

	str1 = eval("document.all.div" + str );
	str1.style.display = "inline";
	
	str2 = eval("document.all.news" + str );
	str2.style.display = "inline";

}