/*Wine For Wheels Form Interaction Javascript
---------------------------------------------
Add all form interaction Javascript below
*/
//This function automatically moves to the specified field in a form
//Usage: Within an input type use: onkeyup="moveOnMax(this,'fieldname')"
function moveOnMax(field,nextFieldID){
  if(field.value.length >= field.maxLength){
    document.getElementById(nextFieldID).focus();
  }
}
// Disable a form field
function togDisable($ID){
    var x=document.getElementById($ID)
    if (x.disabled) {
      x.disabled=false
	  x.value=''
	}
    else {
	  x.value='disabled'	
	  x.disabled=true  
	}
}
function togButton($ID){
    var x=document.getElementById($ID)
    if (x.disabled) {
      x.disabled=false
	}
    else {
	  x.disabled=true  
	}
}
// Checks if form field is empty
function isEmpty(fieldName) {
   var re = /^\s{1,}$/g; //match any white space including space, tab, form-feed, etc.
   if ((fieldName.value.length==0) || (fieldName.value==null) || ((fieldName.value.search(re)) > -1)) {
     return true;
   }
   else {
    return false;
   }
}