if (document.images){
   image1 = new Image(); 
  image1.src="/research/images/nav_home_ro.jpg"; 
	
  image2 = new Image(); 
  image2.src="/research/images/nav_home.jpg"; 
  
  image3 = new Image(); 
  image3.src="/research/images/nav_about_ro.jpg"; 
  
  image4 = new Image(); 
  image4.src="/research/images/nav_about.jpg"; 
  
  image5 = new Image(); 
  image5.src="/research/images/nav_members.jpg"; 
  
  image6 = new Image(); 
  image6.src="/research/images/nav_members_ro.jpg"; 
  
  image7 = new Image(); 
  image7.src="/research/images/nav_shedule.jpg"; 

  image8 = new Image(); 
  image8.src="/research/images/nav_shedule_ro.jpg"; 
  
  image9 = new Image(); 
  image9.src="/research/images/nav_careers.jpg"; 

  image10 = new Image(); 
  image10.src="/research/images/nav_careers_ro.jpg"; 
  
  image11 = new Image(); 
  image11.src="/research/images/nav_resources.jpg"; 

  image12 = new Image(); 
  image12.src="/research/images/nav_resources_ro.jpg"; 
  
   image13 = new Image(); 
  image13.src="/research/images/nav_contact.jpg"; 

  image14 = new Image(); 
  image14.src="/research/images/nav_contact_ro.jpg"; 
}
/********************\
 )		subnav		(
\********************/
function toggleOn(id,imageName,image) {	

		var x=document.getElementById(id)
		if (document.getElementById) { // DOM3 = IE5, NS6
			x.style.display = 'block';
		} else {
			if (document.layers) { // Netscape 4
			alertID(id);
				document.id.display = 'block';
			}
			else { // IE 4
				document.all.id.style.display = 'block';
			}
		}
		toggleIMG(imageName,image);
	}

function toggleOff(id,imageName,image) {

		var x=document.getElementById(id)
		//safe function to hide an element with a specified id
		if (document.getElementById) { // DOM3 = IE5, NS6
			x.style.display = 'none';
		}
		else {
			if (document.layers) { // Netscape 4
				document.id.display = 'none';
			}
			else { // IE 4
				document.all.id.style.display = 'none';
			}
		}
		toggleIMG(imageName,image);
	}

function toggleIMG(imageName,image){
		document.images[imageName].src= image;
}

/********************\
 )		/subnav		(
\********************/

		/******************* Homepage Date *************************/
		var monthNames = new Array();
		
		monthNames[0] = "january"
		monthNames[1] = "february"
		monthNames[2] = "march"
		monthNames[3] = "april"
		monthNames[4] = "may"
		monthNames[5] = "june"
		monthNames[6] = "july"
		monthNames[7] = "august"
		monthNames[8] = "september"
		monthNames[9] = "october"
		monthNames[10] = "november"
		monthNames[11] = "december"
		
		var currentTime = new Date()
		var monthNum = currentTime.getMonth() + 1;
		var monthName = monthNames[monthNum - 1];
		var day = currentTime.getDate();
		var year = currentTime.getFullYear();
		//var year = currentTime.getFullYear();
		
		/******************* Random Images *************************/
		var numImages =5;
		var randomNum = Math.floor(Math.random()*numImages);
		var randomImages = new Array();
		
		for(i = 0; i < numImages; i++){
			randomImages[i] = "/research/images/roulstonPhoto" + (i+1) + ".gif";
		}
		
		function getRandomHeader(id){
				var x=document.getElementById(id)
					if (document.getElementById) { // DOM3 = IE5, NS6
						x.style.backgroundImage = 'url('+randomImages[randomNum]+')';
						} else {
					if (document.layers) { // Netscape 4
						alertID(id);
						document.id.backgroundImage = 'url('+randomImages[randomNum]+')';
						}
					else { // IE 4
						document.all.id.style.backgroundImage = 'url('+randomImages[randomNum]+')';
						
		}
	}
}
		function getRandomSubImage(){
			var randomNumber = Math.floor(Math.random()*6); //Originally 4, changed to get rid of green smilies for now
			
			document.write('<img src="/research/images/small_rotate'+(randomNumber+1)+'.jpg">');
		}