// JavaScript Document
function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.value = limitNum - limitField.value.length;
	}
}

function displayDropDown(obj,id1,id2,id3,id4,id5,id6,id7) {
txt = obj.options[obj.selectedIndex].value;
document.getElementById('submitBtn').style.display = 'none';
document.getElementById(id1).style.display = 'none';
document.getElementById(id2).style.display = 'none';
document.getElementById(id3).style.display = 'none';
document.getElementById(id4).style.display = 'none';
document.getElementById(id5).style.display = 'none';
document.getElementById(id6).style.display = 'none';
document.getElementById(id7).style.display = 'none';
if ( txt.match(id1) ) {
document.getElementById(id1).style.display = 'block';
}
if ( txt.match(id2) ) {
document.getElementById(id2).style.display = 'block';
}
if ( txt.match(id3) ) {
document.getElementById(id3).style.display = 'block';
}
if ( txt.match(id4) ) {
document.getElementById(id4).style.display = 'block';
}
if ( txt.match(id5) ) {
document.getElementById(id5).style.display = 'block';
}
if ( txt.match(id6) ) {
document.getElementById(id6).style.display = 'block';
}
if ( txt.match(id7) ) {
document.getElementById(id7).style.display = 'block';
}
}

function shipToDifferent(checked) {
	//boxValue = obj.options[obj.selectedIndex].value;
	if(checked) {
		document.getElementById('shipToAddress').style.display = 'block';
	} else {
		document.getElementById('shipToAddress').style.display = 'none';
	}
}

function validateCoupon(coupon,digits,prefix,suffix){
	failed = false;
	if(coupon.value.length == digits){
		if(prefix.length > 0){
			if(coupon.value.substring(0,prefix.length) != prefix){
				failed = true;
			}
		}
		if(suffix.length > 0){
			if(coupon.value.substring(coupon.value.length,(coupon.value.length-suffix.length)) != suffix){
				failed = true;
			}
		}
	} else {
		failed = true;
	}
	if (failed){
		alert("We're sorry, but it appears your coupon is invalid.  Please enter a valid coupon and try again");
		return false;
	} else {
		return true;
	}
}

function validate_form(thisForm,digits,prefix,suffix){
	if(validateCoupon(thisForm.code,digits,prefix,suffix)){
		return true;
	} else {
		return false;
	}
}

function showSubmit(obj,id1) {
txt = obj.options[obj.selectedIndex].value;
document.getElementById(id1).style.display = 'none';
if ( txt != "Select your certificate" ) {
document.getElementById(id1).style.display = 'block';
}
}

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_swapImgRestore() { //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_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 MM_swapImage() { //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];}
}