var __defaultFired = false;
    var __nonMSDOMBrowser = (window.navigator.appName.toLowerCase().indexOf("explorer") == -1);    
    //alert("alert 1");   
    function WebForm_FireDefaultButton(event, target) {
        if (!__defaultFired && event.keyCode == 13 && !(event.srcElement && (event.srcElement.tagName.toLowerCase() == "textarea"))) {
            var defaultButton;
            if (__nonMSDOMBrowser) {
                defaultButton = document.getElementById(target);
            }
            else {
                defaultButton = document.all[target];
            }                     
            if (defaultButton && typeof(defaultButton.click) != "undefined") {                   
                __defaultFired = true;                                                           
                defaultButton.click();
                event.cancelBubble = true;
                if (event.stopPropagation) event.stopPropagation();
                return false;
            }
            else if(typeof(defaultButton.click) == "undefined"){
                var clickevent=document.createEvent("MouseEvents")
                clickevent.initEvent("click", true, true)                                                                                     
                __defaultFired = true;                                                           
                defaultButton.dispatchEvent(clickevent)
                event.cancelBubble = true;
                if (event.stopPropagation) event.stopPropagation();
                return false;                   
            }
        }
        return true;
    }    
    
    
    //BEGIN Javascript CODE

if (typeof(HTMLAnchorElement) != "undefined" )

{

   HTMLAnchorElement.prototype.click = function()

   {

       window.location = this.href;

   }

}   

//var __defaultFired = false;

//function WebForm_FireDefaultButton(event, target) {

//    var element = event.target || event.srcElement;
//    
//    if (!__defaultFired && event.keyCode == 13 && !(element && (element.tagName.toLowerCase() == "textarea"))) {


//        var defaultButton;

//        if (__nonMSDOMBrowser) {

//            defaultButton = document.getElementById(target);

//        }

//        else {

//            defaultButton = document.all[target];

//        }

//        if (defaultButton && typeof(defaultButton.click) != "undefined") {

//            defaultButton.click();

//            event.cancelBubble = true;

//            if (event.stopPropagation) event.stopPropagation();
//            
//            return false;

//        }

//    }

//    return true;

//}