var longRef = "document.forms.form";
var searchStr = 'Search This Site';
	
addEvent(window, "load", cleanSearch, false);
addEvent(window, "load", function() {enableDropdown('utilities')}, false);
addEvent(window, "load", function() {enableDropdown('nav')}, false);

var searchStr = 'Search This Site';

function cleanSASearch() 
{
	document.search.query.onfocus = function() {if (this.value == searchStr) this.value = ''};
	document.search.query.onblur = function() {if (this.value == '') this.value = searchStr};
}


function displayOrHideFormSection(formSection)
{
	if (document.getElementById(formSection).style.display == 'block')
	{
		hideFormSection(formSection);
	}
	else
	{
		displayFormSection(formSection);
	}
}
	
	

function displayFormSection(formSection)
{
	document.getElementById(formSection).style.display = 'block';
}


function hideFormSection(formSection)
{
	document.getElementById(formSection).style.display = 'none';
}


function changeBtn(formSection, img_id)
{
	if (document.getElementById(img_id).src == 'http://www.nyu.edu/epubs/preview/global/web2/images/bg.expand.gif')
	{
		
	    document.getElementById(img_id).src = '../images/bg.collapse.gif';
	}
	else
	{
	    document.getElementById(img_id).src = '../images/bg.expand.gif';
	}
}