// JavaScript Document
var t;
function fadeTimer(show, time)
{
	if (show) {
	fadeIn('wellscompanies',0);
	t=setTimeout("fadeTimer(false,"+time+");",time);
	
	}
	else {
	fadeOut('wellscompanies',100);
	t=setTimeout("fadeTimer(true,"+time+");",time);
	}

}
function fadeTimer2(show, time)
{
	if (show) {
	fadeIn('wellscompanies2',0);
	t=setTimeout("fadeTimer2(false,"+time+");",time);
	
	}
	else {
	fadeOut('wellscompanies2',100);
	t=setTimeout("fadeTimer2(true,"+time+");",time);
	}

}
var images = new Array('wellscompanies','wellscompanies1','wellscompanies2','wellscompanies3');
var counter = 0;

function initImage() {
	var obj = document.getElementById(images[counter % 4]);
	setOpacity(obj, 0);
	setTimeout("fadeInOut();", 1000);
}
function fadeInOut() {
	fadeIn(images[counter % 4],0);
	fadeOut(images[(counter + 1) % 4],100);
	counter++;
	t=setTimeout("fadeInOut();",4000);
}

function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;
	
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}

function fadeIn(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity <= 100) {
			  setOpacity(obj, opacity);
			  opacity += 10;
			  window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
		}
	}
}
function fadeOut(objId,opacity) {
	obj = document.getElementById(objId);
	if (document.getElementById) {
		if (opacity >= 0) {
			setOpacity(obj, opacity);
			opacity -= 10;
			window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 100);
		}
	}
}

window.onload = function() {initImage()}