// JavaScript Document
// JavaScript Document

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}
window.onload=function()
{
for(var i=0; i<document.links.length; i++)
document.links[i].onfocus=function(){this.blur()}
}
	
//所有菜单效果

function menuhover(menuobj) {
	var links = menuobj.getElementsByTagName("a");
	for(i=0; i<links.length; i++) {
		if(window.location.href.indexOf(links[i].href) != -1) {
			links[i].className = 'here';
		} else {
			links[i].className = '';
		}
		links[i].onmouseover = function() {
			for(j=0; j<links.length; j++) {
				links[j].className = '';
			}
			this.className = 'here';
		}
		links[i].onmouseout = function() {
			for(j=0; j<links.length; j++) {
				links[j].className = '';
				if(window.location.href.indexOf(links[j].href) != -1) {
					links[j].className = 'here';
				}
			}
	}
	}
}

function topmenu () {
	if(!document.getElementById("menu")) return false;
	var menuobj = document.getElementById("menu");
	menuhover(menuobj);
}

function leftmenu () {
	if(!document.getElementById("left")) return false;
	var menuobj = document.getElementById("left");
	menuhover(menuobj);
}

addLoadEvent(topmenu);
addLoadEvent(leftmenu);

//产品页切换

function prepareshow() {
	if(!document.getElementById("description_head")) return false;
	var description_head = document.getElementById("description_head");
	var description_links = description_head.getElementsByTagName("a");
	for(var i=0; i<description_links.length; i++) {
		var sectionId = description_links[i].getAttribute("href").split("#")[1];
		description_links[i].ment = sectionId;
		description_links[i].onclick = function() {
			showtab(this.ment);
			getheight();
			for(var j=0; j<description_links.length; j++) {
				description_links[j].className = '';
			}
			this.className = 'here';
			return false;
		}
		description_links[i].onmouseover = function() {
			for(var j=0; j<description_links.length; j++) {
				description_links[j].className = '';
			}
			this.className = 'here';
		}
		description_links[i].onmouseout = function() {
			for(var j=0; j<description_links.length; j++) {
				description_links[j].className = '';
			}
			var description_content = document.getElementById("description_content");
			var divs = description_content.getElementsByTagName("div");
			for( var d=0; d<divs.length; d++) {
				if(divs[d].style.display == "block") {
					var theid = divs[d].getAttribute("id");
					for(var k=0; k<description_links.length; k++) {
						description_links[k].className = "";
						if(description_links[k].href.indexOf(theid) != -1) description_links[k].className = 'here';
					}
				}
			}
		}
			
	}
}

function showtab(id) {
	var description_content = document.getElementById("description_content");
	var divs = description_content.getElementsByTagName("div");
	for( var i=0; i<divs.length; i++) {
		divs[i].style.display = "none";
		if (divs[i].getAttribute("id") != id) {			
			divs[i].style.display = "none";
		} 
		else {
			divs[i].style.display = "block";
		}
	}
}

function showfirst() {
	if(!document.getElementById("description_content")) return false;
	var description_content = document.getElementById("description_content"); 
	if(!document.getElementById("description_head")) return false;
	var description_head = document.getElementById("description_head");
	var description_links = description_head.getElementsByTagName("a");
	for(var i=0; i<description_links.length; i++) {
		var sectionId = description_links[i].getAttribute("href").split("#")[1];
		description_links[i].ment = sectionId;
		var now_href = window.location.href;
		if(now_href.indexOf(sectionId) != -1) {
			divs[0].style.display = 'none';
			document.getElementById(sectionId).style.display = 'block';
		} else {
			var divs = description_content.getElementsByTagName("div");
			divs[0].style.display = 'block';
		}
		if(now_href.indexOf(description_links[i].getAttribute("href")) != -1) {
			for(var j=0; j<description_links.length; j++) {
				description_links[j].className = '';
			}
			description_links[i].className = "here";
		}
	}
	getheight();
}

addLoadEvent(showfirst);
addLoadEvent(prepareshow);


//判断左侧菜单

function doubleleft() {
	if(!document.getElementById("left")) return false;
	if(!document.getElementById("content")) return false;
	var content = document.getElementById("content");
	if(content.className != 'product') return false;
	var left = document.getElementById("left");
	var leftlinks = left.getElementsByTagName("a");
	var nowlink = new Array();
	nowlink[0] = "http://www.itlogo.net/products";
	nowlink[1] = "http://www.itlogo.net/products/";
	nowlink[2] = "http://www.itlogo.net/products#";
	nowlink[3] = "http://itlogo.net/products";
	nowlink[4] = "http://itlogo.net/products/";
	nowlink[5] = "http://itlogo.net/products#";
	for(var i =0; i<leftlinks.length; i++) {
		if(window.location.href == nowlink[0] || window.location.href == nowlink[1] || window.location.href == nowlink[2] || window.location.href == nowlink[3] || window.location.href == nowlink[4] || window.location.href == nowlink[5]) {
			leftlinks[0].className = 'here';
		} else {
			leftlinks[0].className = '';
		}
		leftlinks[i].onmouseout = function() {
			for(j=0; j<leftlinks.length; j++) {
				leftlinks[j].className = '';
				if(window.location.href.indexOf(leftlinks[j].href) != -1) {
					leftlinks[j].className = 'here';
				}
				if(window.location.href == nowlink[0] || window.location.href == nowlink[1] || window.location.href == nowlink[2] || window.location.href == nowlink[3] || window.location.href == nowlink[4] || window.location.href == nowlink[5]) {
					leftlinks[0].className = 'here';
				} else {
					leftlinks[0].className = '';
				}
			}
		}
	}
}
addLoadEvent(doubleleft);