var thisURL = window.location.href;
var pageId = 0;
if(thisURL.indexOf('intro') != -1){
	pageId = 1;
}
if(thisURL.indexOf('research') != -1){
	pageId = 2;
}
if(thisURL.indexOf('/product/') != -1){
	pageId = 3;
}
if(thisURL.indexOf('presales') != -1){
	pageId = 4;
}
if(thisURL.indexOf('service') != -1){
	pageId = 5;
}
if(thisURL.indexOf('club') != -1){
	pageId = 6;
}
var thispageid = pageId;
var bluediv = false;

if (pageId==0){bluediv = true;}
else {document.getElementById("mainnav"+thispageid).src="/images/common/mainnav_0"+thispageid+"_on.jpg";}

function backmenu()
{
	if (!bluediv){
	for(i=1;i<7;i++){
	if(i==thispageid){
		document.getElementById("mainnav"+i).src="/images/common/mainnav_0"+i+"_on.jpg";
		document.getElementById("submenu"+i).style.visibility="hidden";
		}
		else
		{
		document.getElementById("mainnav"+i).src="/images/common/mainnav_0"+i+".jpg";
		document.getElementById("submenu"+i).style.visibility="hidden";
		}
	}
	}
}

function showmenu(menustr){
	for(i=1;i<7;i++){
		if(i==menustr){
		document.getElementById("mainnav"+i).src="/images/common/mainnav_0"+i+"_on.jpg";
		document.getElementById("submenu"+i).style.visibility="visible";
		}
		else
		{
		document.getElementById("mainnav"+i).src="/images/common/mainnav_0"+i+".jpg";
		document.getElementById("submenu"+i).style.visibility="hidden";
		}
	}
}