myPix = new Array(	
"images/blink4.gif",
"images/teaser2.jpg",
"images/mockup2_12.jpg");

imgCt = myPix.length;

function choosePic() {
	// alert("in choosepic");
	if (document.images) {
	random = Math.floor(Math.random() * imgCt);
	document.picTeaser.src = myPix[random];
	}
}

function getRand(options) {
// options == number of items in list to rotate
	var rand = Math.floor(Math.random() * (options));
	alert(rand);
	return(rand);
}

function selectGo(target) {

	// alert(target);
	switch (target) {
	
	case "about":
		changeImages('mockup8_03', 'images/mockup8_03-over.jpg'); 
		document.location="about.shtml";
		break;

	case "products":
		changeImages('mockup8_04', 'images/mockup8_04-over.jpg'); 
		document.location="products.shtml";
		break;

	case "success":
		changeImages('mockup8_05', 'images/mockup8_05-over.jpg'); 
		document.location="success.shtml";
		break;
	
	case "contact":
		changeImages('mockup8_06', 'images/mockup8_06-over.jpg'); 
		document.location="contact.shtml";
		break;
	
	case "jobs":
		changeImages('mockup8_07', 'images/mockup8_07-over.jpg'); 
		document.location="jobs.shtml";
		break;
	
	case "home":
		changeImages('mockup8_08', 'images/mockup8_08-over.jpg'); 
		document.location="index.shtml";
		break;
	
	default:	
	}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages(arg) {
	if(arg==1)choosePic();
	if (document.images) {
		mockup8_03_over = newImage("images/mockup8_03-over.jpg");
		mockup8_04_over = newImage("images/mockup8_04-over.jpg");
		mockup8_05_over = newImage("images/mockup8_05-over.jpg");
		mockup8_06_over = newImage("images/mockup8_06-over.jpg");
		mockup8_07_over = newImage("images/mockup8_07-over.jpg");
		mockup8_08_over = newImage("images/mockup8_08-over.jpg");
		preloadFlag = true;
		
		}
}

function doForm() {
		// text input
		if(document.forms.pda_entry.Name.value=="(required)") {
			alert("An entry for \"" + document.forms.pda_entry.Name.name + "\" is required");
			return;
		} else if(document.forms.pda_entry.Email.value=="(required)") {
			alert("An entry for \"" + document.forms.pda_entry.Email.name + "\" is required");
			return;
		} else	if(document.forms.pda_entry.Phone.value=="(required)") {
			alert("An entry for \"" + document.forms.pda_entry.Phone.name + "\" is required");
			return;
		} 
}