// DFS Homepage JavaScript
var currentPane = 1;


function initContactTabs(){

loadTab = getVars("loadTab");
document.getElementById("tab"+loadTab).className="on";
document.getElementById("pane"+loadTab).className="pane";
document.getElementById("tabright"+loadTab).className="right-on";

	if(document.getElementById('contact-tabs')){
		var tabs = document.getElementById('contact-tabs');
		var li = tabs.getElementsByTagName('li');
		var tabCount = 0;
		var tabWidth = 0;
		var tabNumber = 0;
		while(li[tabCount]){
			if(li[tabCount].id != ''){
				li[tabCount].onmouseover = tabOver;
				li[tabCount].onmouseout = tabOut;
				li[tabCount].onclick = tabOn;
				li[tabCount].tabNum = tabNumber + 1;
				tabNumber++;
			}
			tabWidth += li[tabCount].offsetWidth;
			tabCount++;
		}
		var availablePixels = tabs.offsetWidth - tabWidth;
		var chunk = Math.floor(availablePixels/tabNumber);
		availablePixels = availablePixels % tabNumber;
		tabCount = 0;
		while(li[tabCount]){
			if(li[tabCount].id != ''){
				innerDivs = li[tabCount].childNodes;
				if(availablePixels){
					innerDivs[0].style.width = innerDivs[0].offsetWidth + chunk + 1 + 'px';
					availablePixels--;
				}
				else{
					innerDivs[0].style.width = innerDivs[0].offsetWidth + chunk + 'px';
				}
			}
			tabCount++;
		}
	}
	document.getElementById('tab-overlay').style.display ='none'; //fixes the width adjustment of the homepage tabs
}

function getVars(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable && (pair[1] < 9 && pair[1] > 1 )) {
			return pair[1];
		} else {
		return 1;
		}
		
	}
return 1;
} 

function tabOver(){
	var nodeChildren;
	if(this.className != 'on'){
		nodeChildren = this.childNodes;
		nodeChildren[1].className = 'right-hover';
		this.className = 'hover';
	}
}
function tabOut(){
	var nodeChildren;
	if(this.className != 'on'){
		nodeChildren = this.childNodes;
		nodeChildren[1].className = 'right';
		this.className = '';
	}
}
function tabOn(){
	var nodeChildren;
	if(this.className != 'on'){
		var i = 0;
		var t = document.getElementById('contact-tabs').getElementsByTagName('li');
		while(t[i]){
			if(t[i].id != ''){
				if((t[i].id != this.id) && (t[i].className == 'on')){
					t[i].className = '';
					t[i].firstChild.nextSibling.className = 'right';
				}
			}
			i++;
		}
		nodeChildren = this.childNodes;
		nodeChildren[1].className = 'right-on';
		this.className = 'on';
		if(document.getElementById('pane'+this.tabNum)){
			if(document.getElementById('pane'+currentPane)){
				document.getElementById('pane'+currentPane).className = 'pane hide';
				document.getElementById('pane'+this.tabNum).className = 'pane';
				currentPane = this.tabNum;
			}
		}
	}
	return false;
}



addLoadEvent(initContactTabs);