var pos = 1;
var logo = new Array;
var arraySize = 6

logo[0] = logo_path + "ciber.gif";
logo[1] = logo_path + "elan.gif";
logo[2] = logo_path + "keane.gif";
logo[3] = logo_path + "thomson_reuters.gif";
logo[4] = logo_path + "ocbc.gif";
logo[5] = logo_path + "misys.gif";
logo[6] = logo_path + "britishenergy.gif";

//logo[0] = "/images/logos/nanyang.gif";
//logo[1] = "/images/logos/metlife.gif";
//logo[2] = "/images/logos/avon.gif";
//logo[5] = "/images/logos/mmt.gif";
//logo[6] = "/images/logos/rcg.gif";


function rotateLogos()
{
	clearTimeout();
	opacity('client_logo', 100, 0, 1000);
	clearTimeout();
	setTimeout("swapImage()", 1000);
	clearTimeout();
	setTimeout("opacity('client_logo', 0, 100, 1000)", 3000);
	clearTimeout();
	setTimeout("rotateLogos()", 6000);
}

function swapImage()
{
	if (pos == arraySize + 1)
	{
		pos = 0
	}
	document.getElementById('client_logo').src = logo[pos];
	pos++;
}

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 rotateTestimonial()
{
	clearTimeout();
	textOpacity('testimonial_span', 0, 255, 1000);
	clearTimeout();
	setTimeout("swapTestimonial()", 2500);
	clearTimeout();
	setTimeout("textOpacity('testimonial_span', 255, 0, 1000)", 2500);
	clearTimeout();
	setTimeout("rotateTestimonial()", 7500);
}


test_pos = 1;
function swapTestimonial()
{
	test_pos ++;
	if ( test_pos == testArray.length )
	{
		test_pos = 1;
	}
	document.getElementById('testimonial_span').innerHTML = testArray[test_pos];
}

function textOpacity(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("changeTextOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeTextOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

function changeTextOpac(opacity, id)
{
	var object = document.getElementById(id).style;
	object.color = "rgb(" + opacity + ", " + opacity + ", " + opacity + ")";
}