var homepageImages = [];
var curImageIndex = 0;
var activeDIV = 0;


window.onload = function(){
// set up for image switching	
	$('switchimages').descendants().each(function(image) {
		if(image.hasClassName('simg'))
		{
			homepageImages.push(image.id);
		}
	} );

		$('mainimage'+activeDIV).innerHTML =  $(homepageImages[curImageIndex]).innerHTML;
		$('mainimage'+activeDIV).show();
		curImageIndex++;

new PeriodicalExecuter(function(pe) { 

	if(curImageIndex >= homepageImages.length)
	{
		curImageIndex = 0;
	}
	else
	{
		
		new Effect.Fade($('mainimage'+activeDIV), {delay:0, duration:1});
		
		if(activeDIV == 0)
		{
		 	activeDIV = 1;
		}
		else
		{
		 	activeDIV = 0;
		}
		
		setTimeout( 'switchit()' , 500);

	}
 }, 7);
};


function switchit()
{
		$('mainimage'+activeDIV).innerHTML =  $(homepageImages[curImageIndex]).innerHTML;
		new Effect.Appear($('mainimage'+activeDIV), {delay:0, duration:1});
		curImageIndex++;
}