// JavaScript Document

function swapBackground(id, image) {
	document.getElementById(id).style.backgroundImage = 'url(' + image + ')';
}

function swapImage(id, image) {
	document.getElementById(id).src = image;
}

function loadSection(destId) {
	var htmlStr = "";
	
	for (var i = 1; i < loadSection.arguments.length; i++)
    {
        htmlStr += document.getElementById(loadSection.arguments[i]).innerHTML;
	}

	document.getElementById(destId).innerHTML = htmlStr;
}

function moveTop(id, yLoc) {
	elem = document.getElementById(id);
	elem.style.top = yLoc;
}

function validate_battery() {

	var form = document.contact_us;
	
	if ((form.name.value == "") ||
	    (form.company.value == "") ||
		(form.question.value == "") ||
		(form.email.value == ""))	
		{
			alert("Please fill in all required fields.");
			return false;
		}
	 
	 var email = form.email.value;
	 
	 if ((email.indexOf('@') == -1) || (email.indexOf('.') == -1))
		{
			alert("Please provide a valid email address.");
			return (false);
		}
		
		return true;
}

function validate_reseller() {

	var form = document.contact_us;
	
	if ((form.name.value == "") ||
	    (form.company.value == "") ||
		(form.tin.value == "") ||
		(form.email.value == ""))	
		{
			alert("Please fill in all required fields.");
			return false;
		}
	 
	 var email = form.email.value;
	 
	 if ((email.indexOf('@') == -1) || (email.indexOf('.') == -1))
		{
			alert("Please provide a valid email address.");
			return (false);
		}
		
		return true;
}

function validate_contact() {

	var form = document.contact_us;
	
	if ((form.name.value == "") ||
		(form.question.value == "") ||
		(form.email.value == ""))	
		{
			alert("Please fill in all required fields.");
			return false;
		}
	 
	 var email = form.email.value;
	 
	 if ((email.indexOf('@') == -1) || (email.indexOf('.') == -1))
		{
			alert("Please provide a valid email address.");
			return (false);
		}
		
		return true;
}

function preload() {
	MM_preloadImages('images/menu_none.gif','images/menu_mfg.gif','images/menu_harness.gif','images/menu_batteries.gif','images/header_main.jpg',
					 'images/header_mfg.jpg','images/header_harness.jpg','images/header_batteries.jpg','images/red_triangle.jpg','images/white_triangle.jpg',
					 'images/red_triangle_big.jpg','images/white_triangle_big.jpg');

	//Current window name for targeting purposes
	window.name = 'mainWin';
}

function preload_contact() {
	//Try to close a contact window
	handle = window.open('','contactWin','')
	handle.close() 	
}

function restoreImage() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImages() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}