/*
	Standards Compliant Rollover Script
	Author : Daniel Nolan
	http://www.bleedingego.co.uk/webdev.php
*/

function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_over'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_over'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}


//window.onload = initRollovers; 
//this code is initialized in cookies.js






/*
	Home page rollovers
*/	
if (document.images) {
  image1on = new Image();
  image1on.src = "images/home/nav_faq_over.gif";

  image2on = new Image();
  image2on.src = "images/home/nav_formula_over.gif";
  
  image3on = new Image();
  image3on.src = "images/home/nav_treating_over.gif";
  
  image4on = new Image();
  image4on.src = "images/home/nav_yourpractice_over.gif";

  image1off = new Image();
  image1off.src = "images/home/nav_faq.gif";

  image2off = new Image();
  image2off.src = "images/home/nav_formula.gif";
  
  image3off = new Image();
  image3off.src = "images/home/nav_treating.gif";
  
  image4off = new Image();
  image4off.src = "images/home/nav_yourpractice.gif";


 }

function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}