function submitonce(theform) {
  if (document.all||document.getElementById) {
    for (i=0;i<theform.length;i++) {
      var tempobj=theform.elements[i]
      if (tempobj.type) {
        if(tempobj.type.toLowerCase()=="submit") {
          tempobj.disabled=true;
        }
      }
    }
  }
}

function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
  }
}

var Path='images/samples/';

function CngColor(obj){
  index=obj.selectedIndex;
  if (index<1){
	    return;
  }
  document.getElementById('sample').src=Path+obj.options[index].value + ".png";
}

function changeLogo(color) {
  document.getElementById('logo').style.background = color;
}

function adminloginFocus() {
  document.forms[0].admin_email.focus()
}

function shoploginFocus() {
  document.forms[0].shop_name.focus()
}
function checkNumber(textBox) {
  while (textBox.value.length > 0 && isNaN(textBox.value)) {
    textBox.value = textBox.value.substring(0, textBox.value.length - 1)
  }
  textBox.value = trim(textBox.value);
}

function enableImage() {
  if(document.forms['form-toggle'].imagecheck.checked == true) {
    document.forms['form-toggle'].advert_image.disabled = false;
  } else {
    document.forms['form-toggle'].advert_image.disabled = true;
  }
}

function toggleDiv1(theID) {
  var element = document.getElementById(theID);
  if(document.forms['product-form'].textcheck1.checked == true) {
    element.style.display = "block";
  } else {
    element.style.display = "none";
  }
}

function toggleDiv2(theID) {
  var element = document.getElementById(theID);
  if(document.forms['product-form'].textcheck2.checked == true) {
    element.style.display = "block";
  } else {
    element.style.display = "none";
  }
}