var submitted = false;
var multiple = false;

//apply styles/behaviours after page load
function postRender(obj) {
     
    //no support for NS4
    if (!document.getElementsByTagName)
        return;
    
    //no support for non-HTTP
    if (window.location.protocol != "http:" && window.location.protocol != "https:")
        return;

    //go through form elements, adding functionality
    var inputs = document.getElementsByTagName('input');

    for (var i=0;i<inputs.length;i++) {

        //add handler to uppercase & trim
        if (inputs[i].type=='text' && !inputs[i].readonly && !inputs[i].disabled) {
           if (inputs[i].className=='uctrim') {
               inputs[i].onblur = function () { this.value = uctrim(this.value); } ;
            }
        }

        //add handler to prevent multiple submits
        if (inputs[i].type=='button' || inputs[i].type=='submit' || inputs[i].type=='reset') {
            if (inputs[i].className=='multiple')
                inputs[i].onclick = function () { multiple = true; return true; } ;
        }
    }

    //for textarea elements, add handler to uppercase & trim
    inputs = document.getElementsByTagName('textarea');
    
    for (var i=0;i<inputs.length;i++) {
    
        if (inputs[i].className=='uctrim'){
            inputs[i].onblur = function () { this.value = uctrim(this.value); } ;
        }
    }
    
    //add form submit handler
    var forms = document.getElementsByTagName('form');
    
    for (var i=0;i<forms.length;i++) {
        forms[i].onsubmit = function () { triggerUCTrim(); } ;
    }

    placeFocus();

}

function triggerUCTrim() 
{
    //disable multiple form submits
    if (submitted) { 
        alert("Your request is still being processed. Please wait...");
        return false; 
    }
    
    if (multiple!=true)
        submitted = true; 
    multiple = false;

    //go through input elements
    var inputs = document.getElementsByTagName('input');
    for (var j=0;j<inputs.length;j++) {
        if (inputs[j].type=='text') {
           if (inputs[j].className=='uctrim') {
             inputs[j].value = uctrim(inputs[j].value);
          }
        }
    }
    
    inputs = document.getElementsByTagName('textarea');
    for (var j=0;j<inputs.length;j++){
        if (inputs[j].className=='uctrim') {
           this.value = uctrim(this.value);
        }
    }

    return true;
} 
     
function placeFocus() 
{
	if (document.forms.length > 0) {
   var field = document.forms[0];
    for (i = 0; i < field.length; i++) {
         if ((field.elements[i].type == "text") || (field.elements[i].type == "textarea") || (field.elements[i].type.toString().charAt(0) == "s")) 
         {
            document.forms[0].elements[i].focus();
            break;
         }
      }
   }
}  

//uppercase and space-trim
function uctrim(str) {

    return (str!=null) ? str.toUpperCase().replace(/^\s*|\s*$/g,"") : null;
}

function document.onkeydown()
{
    if(event.keyCode==13)
    {
        //triggerUCTrim();

        if(document.getElementById("focuson")!=null){
           document.getElementById("focuson").click();
        }
        return false;
    }
}
//for imagebutton
   function onclickreset() {
         document.forms[0].reset();
    }


//allow multiple submit for downloading image anchor

function anchor_mulitple_submit_form(newAction)
{
    multiple = true;

    for(var i=0; i < document.forms.length; i++)
    {
        document.forms[i].method = "POST";
        document.forms[i].action = newAction;
        var result = triggerUCTrim();
        if(!result) return false;
        document.forms[i].submit();
    }
}