// JavaScript Document
//
//
//

var page;
var categ;
var my_page_num;
var my_array;

function initProduct()
{
	if(MM_preloadImages){MM_preloadImages.apply(initProduct, arguments);}
	
	my_array = lens_array;
	var my_html = location.href.split("/")[location.href.split("/").length - 1].split("?")[0];
	for(var i = 0; i < my_array.length; i++)
	{
		if(my_array[i].path.indexOf(my_html) + 1)
		{
			my_page_num = i;
			break;
		}
	}
	
	geneBreadCrumb();
	geneNavi();
	
	var h = document.location.href.split("p=")[1];
	var page_num;
    if(h){page_num = Number(h);}
    else{page_num = 1;}
	changePage(page_num);
}


function changePage(n)
{
	var d = document.getElementsByTagName("div");
	for(var i = 0; i < d.length; i++)
	{
		if(d[i].className.slice(0, d[i].className.length - 1) == "page")
		{
			if(d[i].className == "page" + n)
			{
				if(navigator.userAgent.indexOf("MSIE") > -1){d[i].style.display = "block";}
				else{d[i].style.display = "table";}
			}
			else
			{
				d[i].style.display = "none";
			}
		}
	}
}

function switchPage(n)
{
	var l = document.location.href;
	var d = document.getElementsByTagName("div");
	var u;
	if(l.indexOf("?p=") + 1){u = l.split("?p=")[0];}
	else if(l.indexOf("&p=") + 1){u = l.split("&p=")[0];}
	else{u = l;}
	if(u.indexOf("?") + 1){u += "&p=" + n;}
	else{u += "?p=" + n;}
	document.location.href = u;
}
//
function geneBreadCrumb()
{
	var d;
	var l;
	var p;
	var c;
	var t = document.getElementById("breadcrumbs");
	var u1 = location.href.split("/");
	var u2 = u1[u1.length - 4];
	var u3 = u1[u1.length - 2];
	switch(u2)
	{
		case "ef":
			l = "EF Mount"
			break;
		case "fd":
			l = "FD Mount"
			break;
		case "fl":
			l = "FL Mount"
			break;
		case "nfd":
			l = "New FD Mount"
			break;
		case "r":
			l = "R Mount"
			break;
		case "s":
			l = "S Mount"
			break;
		case "sp":
			l = "Special Lenses"
			break;
	}
	p = my_array[my_page_num].name;
	c = "<a href='../../../../index.html'>CAMERA HALL</a> &gt; <a href='../../../index.html'>Lenses</a> &gt; <a href='../../" + u3 + ".html'>" + l + "</a> &gt; " + p;
	t.innerHTML = c;
    
}

//
function geneNavi()
{
	var prev, next, back;
	var tp = document.getElementById("prevcamera");
	var tn = document.getElementById("nextcamera");
	var tb = document.getElementById("backtolist");
	var u = location.href.split("/");
	var b = u[u.length - 2];
	if(my_page_num > 0)
	{
		prev = my_array[my_page_num - 1];
		tp.innerHTML = "<a href='" + prev.path + "'>&lt;&lt; " + prev.name + "</a>";
	}
	if(my_page_num < my_array.length - 1)
	{
		next = my_array[my_page_num + 1];
		tn.innerHTML = "<a href='" + next.path + "'>" + next.name + " &gt;&gt;</a>";
	}
	
	back = "<a href='../../" + b + ".html'>Back To List</a>";	
	tb.innerHTML = back;
}
//
function depthPopup()
{
	
	var u = location.href.split("/");
	u = u[u.length - 1].split("?")[0];
	u = "depth/dp_" + u;
	var w = window.open(u,"win_depth","location=0,menubar=0,status=0,toolbar=0,directories=0,scrollbars=1,resizable=1,width=720,height=480");
	w.focus();
}
//