//{ 产品分类折叠展开 }========================================>>
function fDisplay(id){
	document.getElementById("divFunction").style.display = "none";
	document.getElementById("divOther").style.display = "none";
	document.getElementById("divHelp").style.display = "none";
	document.getElementById(id).style.display = "";
}

function fHide(id){
	document.getElementById(id).style.display = "none";
}
function showDetail(x){
	if(document.getElementById("lay"+x).style.display!='none') {   
		document.getElementById("lay"+x).style.display='none'; 	
		document.getElementById("classa"+x).style.display='block'; 
		document.getElementById("classb"+x).style.display='none'; 
	}
	else{
		document.getElementById("lay"+x).style.display='block';
		document.getElementById("classa"+x).style.display='none'; 
		document.getElementById("classb"+x).style.display='block'; 
	}

}