//*****************************************************************
// Functionality for the "Take a Tour" portion of "Why Choose Us"
// Jeff Chew
//*****************************************************************

//creates arrays for the images and tags
var tourImages = new Array();
var tourTags = new Array();

//populates the arrays with content
tourImages[0] = 'tour-convenience1.jpg';
tourTags[0] = 'Drive In Building';

tourImages[1] = 'tour-convenience2.jpg';
tourTags[1] = 'Free Use of Carts';

tourImages[2] = 'tour-convenience3.jpg';
tourTags[2] = 'Clean Facilities';

tourImages[3] = 'tour-corporate1.jpg';
tourTags[3] = 'Truck Loading Docks';

tourImages[4] = 'tour-corporate2.jpg';
tourTags[4] = 'Extra-Large Units Available';

tourImages[5] = 'tour-corporate3.jpg';
tourTags[5] = 'Extra-Wide Roll-Up Doors';

tourImages[6] = 'tour-security1.jpg';
tourTags[6] = 'Surveillance Cameras';

tourImages[7] = 'tour-security2.jpg';
tourTags[7] = 'Coded Computerized Entry';

tourImages[8] = 'tour-security3.jpg';
tourTags[8] = 'Security Gates';

//stores the page number in a global variable
var currentImage = 0;

function arrowLeft(){
	if(currentImage == 0){
		currentImage = tourImages.length - 1;
	}else{
		currentImage = currentImage - 1;
	}
	loadImage(currentImage);
}

function arrowRight(){
	if(currentImage == (tourImages.length - 1)){
		currentImage = 0;
	}else{
		currentImage = currentImage + 1;
	}
	loadImage(currentImage);
}

function loadImage(imageNum){
	document.getElementById('tourImageLayer').innerHTML = '<img src="/imgs/whychooseus/' + tourImages[imageNum] + '" border="0">';
	document.getElementById('tourTagLayer').innerHTML = tourTags[imageNum];
}