// RANDOM HEADER IMAGES
function random_head(){
var images=new Array()

images[1]='level_head_09.jpg';
images[2]='level_head_12.jpg';
images[3]='level_head_15.jpg';
images[4]='level_head_16.jpg';
images[5]='level_head_17.jpg';
images[6]='level_head_25.jpg';
images[7]='level_head_34.jpg';
images[8]='level_head_38.jpg';
images[9]='level_head_02.jpg';
images[10]='level_head_03.jpg';
images[11]='level_head_06.jpg';
images[12]='level_head_20.jpg';
images[13]='level_head_23.jpg';
images[14]='level_head_27.jpg';
images[15]='level_head_39.jpg';

var foo=Math.floor(Math.random()*images.length)
if (foo==0)
foo=1;

document.write('<img src="/images/level_head/' + images[foo] + '" border="0" alt="University of Missouri - Kansas City (UMKC) - The Bloch School" title="University of Missouri - Kansas City (UMKC) - The Bloch School" align="left" />');
}

//IMAGE PRELOADER
function img_preload(){
	var baseurl= '/images/';
	var arr= [
		//sidenav
		'home_nav/about.gif', 'home_nav/about_o.gif',	
		'home_nav/alumni.gif', 'home_nav/alumni_o.gif',
		'home_nav/bcoutreach.gif', 'home_nav/bcoutreach_o.gif', 
		'home_nav/current_student.gif', 'home_nav/current_student_o.gif',
		'home_nav/event_calendar.gif', 'home_nav/event_calendar_o.gif',
		'home_nav/fac_research.gif', 'home_nav/fac_research_o.gif',
		'home_nav/news_facts.gif', 'home_nav/news_facts_o.gif', 
		'home_nav/prospect_student.gif', 'home_nav/prospect_student_o.gif',
		
		//headnav
		'level_headnav/centers.gif', 'level_headnav/centers_o.gif', 
		'level_headnav/grads.gif', 'level_headnav/grads_o.gif', 
		'level_headnav/pro_ed.gif', 'level_headnav/pro_ed_o.gif',   
		'level_headnav/undergrad.gif', 'level_headnav/undergrad_o.gif' 
	];
	for (var i=0; i < arr.length; i++){
		(new Image()).src= baseurl + arr[i];
	}
}

// SEARCH VALIDATION
function s_validate(formObject){
    if(formObject.elements['keywords'].value == '' || formObject.elements['keywords'].value == 'Search'){
        alert('Please enter a query before submtting.');
        return false;
    } else {return true;}
    }

// SEARCH CLEAR
function clear_search(s) {if (s.defaultValue==s.value || s.value=='SEARCH') s.value = ""}