function simpleVal()
{
var test = document.getElementsByTagName('form');
var valInput = document.createElement('input');
valInput.value = "goodness-gracious-me";
valInput.name = "jstest";
valInput.type = "hidden";
for (var i = 0; i < test.length; i++) {
	
        var thaForm = test[i];
		if((thaForm.attributes.action.value=='/form/process'))
		{
			thaForm.appendChild(valInput);
		}
        
    }
}
function addEvent(element, eventType, lamdaFunction, useCapture) {
    if (element.addEventListener) {
        element.addEventListener(eventType, lamdaFunction, useCapture);
        return true;
    } else if (element.attachEvent) {
        var r = element.attachEvent('on' + eventType, lamdaFunction);
        return r;
    } else {
        return false;
    }
}

addEvent(window, 'load', simpleVal, false);