/* Validate QuantityNumber */
function validate_quantity(field) {
var valid = "123456789"
var ok = "yes";
var temp;
	for (var i=0; i<field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
	}
	if (ok == "no") {
		alert("Invalid quantity! Only numbers are accepted.");
		field.select();
		field.focus();
	}
}

/* Copy Contact Details */
function copyContactDetails() {
  document.contactinfo.shipping_fname.value = document.contactinfo.contact_fname.value;
  document.contactinfo.shipping_lname.value = document.contactinfo.contact_lname.value;
  document.contactinfo.shipping_company.value = document.contactinfo.contact_company.value;
  document.contactinfo.shipping_address.value = document.contactinfo.contact_address.value;
  document.contactinfo.shipping_city.value = document.contactinfo.contact_city.value;
  document.contactinfo.shipping_state.value = document.contactinfo.contact_state.value;
  document.contactinfo.shipping_postcode.value = document.contactinfo.contact_postcode.value;
  document.contactinfo.shipping_country.value = document.contactinfo.contact_country.value;
  document.contactinfo.shipping_email.value = document.contactinfo.contact_email.value;
  document.contactinfo.shipping_phone.value = document.contactinfo.contact_phone.value;
  document.contactinfo.shipping_fax.value = document.contactinfo.contact_fax.value;
}

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_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_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];}
}