function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

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

function prepareInputsForHints() {
    //var inputs = getElementsByClass("fieldWithErrors", document, "div");
    var inputs = document.getElementsByClassName("fieldWithErrors");
    for (var i=0; i<inputs.length; i++){
        inputs[i].onmouseover = function () {
            //this.parentNode.parentNode.getElementsByTagName("div")[1].style.display = "block";
            this.parentNode.getElementsByClassName("formError")[0].style.display = "block";
        }
        inputs[i].onmouseout = function () {
            this.parentNode.getElementsByClassName("formError")[0].style.display = "none";
            //this.parentNode.parentNode.getElementsByTagName("div")[1].style.display = "none";
        }
    }
}
addLoadEvent(prepareInputsForHints);