// HEADER - Show the next image and text. Infinite loop.
function rotate_ImageText() {
	if (!document.getElementById) return false;
	var placeholder = document.getElementById("placeholder");
	if (!placeholder) return false;
	var desc = document.getElementById("headdescription");
	if (!desc) return false;
	var link = document.getElementById("link");
	if (!link) return false;
		
	// update header
	desc.innerHTML = desc_list[count];
	link.innerHTML = link_list[count];
	count = count + 1;
	setTimeout("rotate_ImageText()",5000);

	if (typeof(startScroll) != "undefined") {
		if (startScroll) {
		 	scrollIt();
		} else {
			if (ConveyerBelt18.scrollLeft > 0) {
				ConveyerBelt18.scrollLeft = 0;
			}
			var i = 0;
	     	 var n = Math.floor(ConveyerBelt18Extension.offsetWidth/cb18_id1.offsetWidth);
    				for (i=0; i<=n; i++) {
		     	    cb18_id2.innerHTML += cb18_id1.innerHTML; 
				}
			startScroll = 1;
		}
	}	
	
	if (count == (desc_list.length)) {
		count = 0;
	}
}

// HOME PAGE - scroll the product boxes
function scrollIt() {	
      setTimeout(ConveyerBelt18Move, 1);
}

function ConveyerBelt18Move() {
	var increment = 15;
	var scrollLimit = 255;
	if (ConveyerBelt18.scrollLeft >= cb18_id1.offsetWidth) {
		ConveyerBelt18.scrollLeft -= cb18_id1.offsetWidth;
	} else {
		if (scrollLimit-(ConveyerBelt18.scrollLeft%scrollLimit) < increment) {
			increment = scrollLimit-(ConveyerBelt18.scrollLeft%scrollLimit);
		}
		ConveyerBelt18.scrollLeft = ConveyerBelt18.scrollLeft+increment;
	}
		
	if (ConveyerBelt18.scrollLeft > 0 && ConveyerBelt18.scrollLeft%scrollLimit == 0) {
		return true;
	} else {
		setTimeout(ConveyerBelt18Move, 1);		
	}
}

function resetOnUnload() {
	if (ConveyerBelt18.scrollLeft > 0) {
		var productblockhome = document.getElementById("productblockhome");
		productblockhome.style.visibility="hidden";
		ConveyerBelt18.scrollLeft = 0;
	}
}

// HOME PAGE - rotate list of client logos
function rotate_Clients() {
	if (!document.getElementById) return false;
	var clientLoc = document.getElementById("client");
	if (!clientLoc) return false;
	clientLoc.innerHTML = client_list[clientCount];
	clientCount = clientCount + 1;
	setTimeout("rotate_Clients()",3000);
	if (clientCount == (client_list.length)) {
		clientCount = 0;
	}
}

function clear_newsletter() {
	if (!document.Newsletter) return false;
	if (!document.Newsletter.Newsletter_Email) return false;
	if (document.Newsletter.Newsletter_Email.value == " - enter your e-mail -") {
		document.Newsletter.Newsletter_Email.value = "";
	}
}

function validate_newsletter() {
	var email = document.Newsletter.Newsletter_Email.value;
	
	if (email == "" || email == " - enter your e-mail -") {
		alert("Please specify an e-mail address.");
		return(false);
	}
	
	if (checkEmail(email) == false) {
		alert("Please specify a valid e-mail address.");
		return(false);
	}

	document.Newsletter.submit();
}

function checkEmail(email) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email)) {
		return(true);
	}
	return(false);
}

/* Function that hides mailto. */
function dxMail(n,d){
location.href="mailto:"+n+"@"+d;
}