/*************************** Multiple onload's function ************************************/

	function addLoadEvent(func) {
		var oldonload = window.onload;				
		if (typeof window.onload != 'function') {	
			window.onload = func;
			} else {
			window.onload = function() {
				oldonload();
				func();
			}
		}
	}


/*************************** Get Parent Until correct container Div ************************************/

	//This function checks that the parent has the class "form-block", if not it then checks the next parent and so 
	//on until "form-block" is found
	function checkContainer(node) {
		if (node.className && (' ' + node.className + ' ').indexOf(' form-block ') != -1) {
			return node;
		}
		if ( node.previousSibling ) {
			return checkContainer(node.parentNode);
		}
		return null;
	}
	
/*************************** getElementByClassName ************************************/

/*
    Written by Jonathan Snook, http://www.snook.ca/jonathan
    Add-ons by Robert Nyman, http://www.robertnyman.com
*/

function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && document.all)? document.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}

Array.prototype.push = ArrayPush;
function ArrayPush(value){
    this[this.length] = value;
}


/************************  Add class **************************************/

	function addClass(element, value) {
		if ( !element.className) {
			element.className = value;
		} else {
			newClassName = element.className;
			newClassName+= " ";
			newClassName+= value;
			element.className = newClassName;
		}
	}