// For the menu items

function rollOver(sectionId) {

  document.getElementById("td" + sectionId).className = "bgLightTone";
  document.getElementById("span" + sectionId).className = "subSectionNav_o";

}

// For the menu items

function rollOff(sectionId) {

  document.getElementById("td" + sectionId).className = "bgMidTone";
  document.getElementById("span" + sectionId).className = "subSectionNav_u";
  
}

function validateEmailAddress(emailAddress) {

	var at = emailAddress.indexOf('@');
        var dot = emailAddress.indexOf('.');
         
        if(at == -1 || dot == -1 || dot == 0 || dot == emailAddress.length - 1) {
        
        	return false;
        	
        } else {
        
        	return true;
        	
        }
 
}

	function fader(rnd) {

	    var speed = 20;
	    var timer = 0;
	    var i, j, k;

		for(var j = 0; j < aMessages.length; j++) {

			if(rnd == aMessages.length - 1) {

				rnd = 0;

			} else {

				rnd++;

			}

		    for(i = 100; i > -1; i--) {

		        setTimeout("changeOpac(" + i + ", " + rnd + ")", (j * 8000) + (timer * speed));
		        timer++;

		    }

			setTimeout("changeMessage(" + rnd + ")", (j * 8000) + 2000);

			timer = 0;

		    for(i = 0; i <= 100; i++) {

		        setTimeout("changeOpac(" + i + ")", (j * 8000) + 2000 + (timer * speed));
		        timer++;

		    }

		    timer = 0;

		}
		
	}

	function changeOpac(opacity) {

		var object = document.getElementById("fader").style;
		object.opacity = (opacity / 100);
		object.MozOpacity = (opacity / 100);
		object.KhtmlOpacity = (opacity / 100);
		object.filter = "alpha(opacity=" + opacity + ")";

	}

	function changeMessage(rnd) {

	    document.getElementById("fader").innerHTML = aMessages[rnd];

	}

	function pause() {

		for(var p = 0; p < 4000; p++) {


		}

	}