// JavaScript Document

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function popupWindow(winUrl,winName,width,height,top,left,screenX,screenY)  {
  winFeatures='width='+width+',height='+height+',titlebar=0,resizable=1,top='+top+',left='+left+',screenX='+screenX+',screenY='+screenY;
  window.open(winUrl,winName,winFeatures);
}

function getObj(name) {
  if (document.getElementById)
      { return document.getElementById(name); }
  else if (document.all)
      { return document.all[name]; }
  else if (document.layers)
      { return document.layers[name]; } }
	  

function swapForms(num, total, base_id){
	
	for(var i=0; i<=total; i++){
		if(getObj(base_id+i)) getObj(base_id+i).style.display = 'none';
	}
	if(getObj(base_id+num)) getObj(base_id+num).style.display = 'block';
}

function delConfirm() {
	return confirm('This action cannot be undone.\nDo you wish to continue?');
}

// IE activeX workaround
function createObject(obj){
	document.write(obj);
}

var state = 'none';

function showhide(layer_ref) {

	if (state == 'block') {
		state = 'none';
	}else {
		state = 'block';
	}if (document.all) { //IS IE 4 or 5 (or 6 beta)
		eval( "document.all." + layer_ref + ".style.display = state");
	}if (document.layers) { //IS NETSCAPE 4 or below
		document.layers[layer_ref].display = state;
	}if (document.getElementById &&!document.all) {
		hza = document.getElementById(layer_ref);
		hza.style.display = state;
	}
}

matchColumns = function(){ 
     var divs,contDivs,maxHeight,divHeight,d; 
     // get all <div> elements in the document 
     divs=document.getElementsByTagName('div'); 
     contDivs=[]; 
     // initialize maximum height value 
     maxHeight=0; 
     // iterate over all <div> elements in the document 
     for(var i=0;i<divs.length;i++){ 
          // make collection with <div> elements with class attribute 'column' 
          if(/\bcolumn\b/.test(divs[i].className)){ 
                d=divs[i]; 
                contDivs[contDivs.length]=d; 
                // determine height for <div> element 
                if(d.offsetHeight){ 
                     divHeight=d.offsetHeight; 					
                } 
                else if(d.style.pixelHeight){ 
                     divHeight=d.style.pixelHeight;					 
                } 
                // calculate maximum height 
                maxHeight=Math.max(maxHeight,divHeight); 
          } 
     } 
     // assign maximum height value to all of container <div> elements 
     for(var i=0;i<contDivs.length;i++)
	 { 
		//alert(contDivs[i].id + " height changing to " + maxHeight + "px...");		
		if (contDivs[i].id == "left_nav")
		{
			contDivs[i].style.height=(maxHeight + 50) + "px";
		}
		else
			contDivs[i].style.height=maxHeight;
     } 
}

// Runs the script when page loads 
window.onload=function(){ 
     if(document.getElementsByTagName){ 
          matchColumns();			 
     } 
}

function searchToggle(roll_type)
{
	if (roll_type == "over")
	{
		if (document.search.searchBox.value == " Search")
			document.search.searchBox.value = "";
		else
			document.search.searchBox.select();
	}
	
	if (roll_type == "out")
	{
		if (document.search.searchBox.value == "")
			document.search.searchBox.value = " Search";
	}
}

// Select Box Navigation

 function changeCalendar(menuObj)
{
   var i = menuObj.selectedIndex;

   if(i > 0)
   {
    if (navigator.appName == "Microsoft Internet Explorer")
    {
       window.location = menuObj.options[i].value;
 	  }
    else
    {
       window.location = "admissions/events/" + menuObj.options[i].value;  
    }
   }
}

//cross browser ID retriever
function returnObjById( elementId ) 
{ 
    if (document.getElementById) 
      		var returnVar = document.getElementById(elementId); 
    else if (document.all) 
        var returnVar = document.all[elementId]; 
    else if (document.layers) 
      		var returnVar = document.layers[elementId]; 
    return returnVar; 
} 

//clears input text box
function ClearField (thefield) {
	thefield.value = "";
	var changecolor = returnObjById("navsearch");
	changecolor.style.color = "black";
}