/*
* Switch
* Aouse Al-Rawi
*
*/
var numberOfImages;
var sleep_time = 3000;
var current_image;
var counter = 0;
var element_id

function prepare_switch(element_id)
{
	element_id = element_id;
	numberOfImages = document.getElementById(element_id).getElementsByTagName('img');
	do_switch();
}

function do_switch()
{
	for(i=0;i<numberOfImages.length;i++)
	{
		//alert(document.getElementById(numberOfImages[counter].id));
		if(i==counter)
		{
			document.getElementById(numberOfImages[counter].id).style.display='block';
		}
		else
		{
			document.getElementById(numberOfImages[i].id).style.display='none';
		}
	}
	
	if(counter == numberOfImages.length - 1)
	{
		counter=-1;
	}
	setTimeout("do_switch()",sleep_time);
	counter++;
}