function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}

var testimonialCount = 1;

function switchText()
{
	try {
		document.getElementById('testimonialContainer').innerHTML = document.getElementById('testimonial'+testimonialCount).innerHTML;
	}
	catch(e) {
		testimonialCount = 0;
		document.getElementById('testimonialContainer').innerHTML = document.getElementById('testimonial'+testimonialCount).innerHTML;
	}
	testimonialCount++;
	opacity('testimonialContainer', 0, 100, 500);
}

function fadeTestimonial()
{
	opacity('testimonialContainer', 100, 0, 500);
	setTimeout("switchText();", 500);
}

function fadeTestimonialIE()
{
	try {
		document.getElementById('testimonialContainer').innerHTML = document.getElementById('testimonial'+testimonialCount).innerHTML;
	}
	catch(e) {
		testimonialCount = 0;
		document.getElementById('testimonialContainer').innerHTML = document.getElementById('testimonial'+testimonialCount).innerHTML;
	}
	testimonialCount++;
}

function resizeNav() {

	//-----TOP NAV TAB RESIZE
	var obj = document.getElementById('topMenu');
	var barWidth = document.getElementById('navTop').offsetWidth;
	var navWidth = 0;
	var last_li_object = 0;
	var width_to_add = 0;
	var pixelCorrect = 0;
	
	for (i = 0; i < obj.childNodes.length; i++)
	{
		if (obj.childNodes[i].offsetWidth >= 0)
		{
			navWidth += obj.childNodes[i].offsetWidth, 10;
			last_li_object = i;
		}

	}
	
	width_to_add = (barWidth - navWidth) / 2;
	if (width_to_add%1 > 0)
	{
		width_to_add = Math.floor(width_to_add);
		pixelCorrect = 1;
	}
	document.getElementById('navTop').style.width = (barWidth+1) + "px";
	obj.childNodes[0].childNodes[0].style.paddingLeft = (width_to_add+pixelCorrect) + "px";
	obj.childNodes[last_li_object].childNodes[0].style.paddingRight = width_to_add + "px";
	
	
	//-----END TOP NAV TAB RESIZE

	//-----BOTTOM NAV CENTERING
	obj = document.getElementById('dropmenu');
	barWidth = document.getElementById('navBot').offsetWidth;
	navWidth = 0;
	last_li_object = 0;
	width_to_add = 0;
	pixelCorrect = 0;
	
	for (i = 0; i < obj.childNodes.length; i++)
	{
		if (obj.childNodes[i].offsetWidth >= 0)
		{
			navWidth += obj.childNodes[i].offsetWidth, 10;
			last_li_object = i;
		}

	}
	
	width_to_add = Math.floor((barWidth - navWidth) / 2);
	obj.style.left = width_to_add + "px";
	//-----END BOTTOM NAV CENTERING
}