/*导航*/
var s_url ="../images/nav";
var s_gif = "On.gif";
var s_gif1 = "Off.gif";
var s_cN = "Bg";
var s_i = "i";
function showfMenu(content,img,tab,n,sum) {
	for (var i=1;i<=sum;i++) {
		if (i==n) {
			document.getElementById(img+"_"+i).src=s_url+i+s_gif;
			document.getElementById(content+"_"+i).style.display="block";
			document.getElementById(tab+"_"+i).className=s_i+i+s_cN;
		}else {
			document.getElementById(img+"_"+i).src=s_url+i+s_gif1;;
			document.getElementById(content+"_"+i).style.display="none";
			document.getElementById(tab+"_"+i).className=s_i+i;
		}
	}
	
 }
 
function hiddenfMenu(content,img,tab,n,sum) {
  for (var i=1;i<=sum;i++) {
		if (i==n)
			document.getElementById(img+"_"+i).src=s_url+i+s_gif1;
			document.getElementById(content+"_"+i).style.display="none";
			document.getElementById(tab+"_"+i).className=s_i+i;
		
	}
 }

function show_caro()
{
	document.getElementById("float_slide").style.display="block";
}


function hide_caro()
{
	if (!caro_loading)
		document.getElementById("float_slide").style.display="none";
}