document.prototype.getElementsByClass = function(classname ,node)
{
    var elements = new Array();
    
    if(node == null) {
        node = document.body;
    }
    
    if(node.hasChildNodes()) {
//        alert(node.childNodes.length); 
        for(var i = 0; i < node.childNodes.length; i++) {
            elements[i] = node.childNodes[i];

        }
    }
    
    return elements;
}

var registerReiter = function(pEvent)
{
    var elems = document.getElementsByClass('edit_data_cont');
    alert(elems[0]);
}

function getReiter(pEvent)
{
    if(document.addEventListener) {
        document.getElementById('kd').addEventListener('click', registerReiter, false);
    } else {
        
    }
}