function fetch_object(idname)

{

    var my_obj = document.getElementById(idname);

    return my_obj;

}



function toggle_nav(obj)

{
    for (i = 1; i<= 7; i++  )
    {
        var nav_img = fetch_object("nav_" + i);
        var sub_nav = fetch_object("sub_nav_" + i);
        var sub_nav_index = fetch_object("sub_nav_0");
        sub_nav_index.style.display = "none";
        if (obj == i)
        {
            sub_nav.style.display = "block";
			if (obj == 3 ||obj == 4 ||obj == 7)
	         	{
					nav_img.style.background='url(images/nav_mouseover2.gif)';	
				}
					else
					{
					nav_img.style.background='url(images/nav_mouseover.gif)';		
					}
        }
        else
        {
            sub_nav.style.display = "none";
        }
    }
}
 function navmouseout(obj)
      {
		  
	   var nav_img = fetch_object("nav_" + obj);
	   nav_img.style.background='none';
	 
	 }
/* spring break */
var numfgcolor1="#FFFFFF"; 
var numbgcolor1="#ff0000"; 

var numfgcolor2="#FFFFFF"; 
var numbgcolor2="#000000"; 

var linkArr = new Array;
var wordArr = new Array;
var imageArr = new Array;

var dataes=document.getElementById('ImgChangeDATA').getElementsByTagName("a");
var dataes_length=dataes.length;
initImgChange(dataes);

function initImgChange(dataes) {
	var numes="";
	for (var i=0;i<dataes_length;i++)
	{
		linkArr[i]=dataes[i].href;
		imageArr[i]=dataes[i].title;
		if( document.all )
			wordArr[i]=dataes[i].innerText;
		else
			wordArr[i]=dataes[i].textContent;
		numes+="<span id='imgchg_td"+(i+1)+"' onclick='javascript:setFocus1("+(i+1)+")'>"+(i+1)+"</span>";
	}
	document.getElementById('ImgChangeNUM').innerHTML=numes;

	document.getElementById('imgchg_a1').href = linkArr[0];
	document.getElementById('imgchg_a2').href = linkArr[0];
	if( document.all )
	{
		document.getElementById('imgchg_a2').innerText = wordArr[0];
	}
	else
	{
		document.getElementById('imgchg_a2').textContent = wordArr[0];
	}
	document.getElementById('imgchg_img1').src = imageArr[0];
	document.getElementById('imgchg_img1').alt = wordArr[0];
	document.getElementById('imgchg_td1').style.color=numfgcolor1;
	document.getElementById('imgchg_td1').style.backgroundColor=numbgcolor1;
}
var CurrentIndex=0;	
function imgchgSetDiv()
{
	if( (CurrentIndex+1) >= dataes_length )
	{	
		CurrentIndex=0;
	}
	else
	{
		CurrentIndex++;
	}
	if( document.all )
	{
		document.getElementById('imgchg_change').filters[0].apply();
		document.getElementById('imgchg_change').filters[0].Transition = 23;
		document.getElementById('imgchg_change').filters[0].play();
	}
	document.getElementById('imgchg_a1').href = linkArr[CurrentIndex];
	document.getElementById('imgchg_a2').href = linkArr[CurrentIndex];
	if( document.all )
	{
		document.getElementById('imgchg_a2').innerText = wordArr[CurrentIndex];
	}
	else
	{
		document.getElementById('imgchg_a2').textContent = wordArr[CurrentIndex];
	}
	document.getElementById('imgchg_img1').src = imageArr[CurrentIndex];
	document.getElementById('imgchg_img1').alt = wordArr[CurrentIndex];
	for( var i=1; i<=5; i++ )
	{
		document.getElementById('imgchg_td'+i).style.color=numfgcolor2;
		document.getElementById('imgchg_td'+i).style.backgroundColor=numbgcolor2;
	}
	var k = CurrentIndex+1;
	document.getElementById('imgchg_td'+k).style.color=numfgcolor1;
	document.getElementById('imgchg_td'+k).style.backgroundColor=numbgcolor1;
}
var imgchgInterval=setInterval(imgchgSetDiv,2000);
function setFocus1(set)
{
	clearInterval(imgchgInterval);
	CurrentIndex = set-2;
	imgchgSetDiv();
	imgchgInterval=setInterval(imgchgSetDiv,2000);
}