function isEnterPressed(e){
	var keycode;
	if (window.event) 
		keycode = window.event.keyCode;
	else if (e) 
		keycode = e.which;
	else 
		return false;

	return (keycode == 13);
}

var cssFix = function(){
var u = navigator.userAgent.toLowerCase(),
addClass = function(el,val){
if(!el.className) {
el.className = val;
} else {
var newCl = el.className;
newCl+=(" "+val);
el.className = newCl;
}
},
is = function(t){return (u.indexOf(t)!=-1)};
addClass(document.getElementsByTagName('html')[0],[
(!(/opera|webtv/i.test(u))&&/msie (\d)/.test(u))?('ie ie'+RegExp.$1)
:is('firefox/2')?'gecko ff2'
:is('firefox/3')?'gecko ff3'
:is('gecko/')?'gecko'
:is('opera/9')?'opera opera9':/opera (\d)/.test(u)?'opera opera'+RegExp.$1
:is('konqueror')?'konqueror'
:is('safari/')?'webkit safari'
:is('mozilla/')?'gecko':'',
(is('x11')||is('linux'))?' linux'
:is('mac')?' mac'
:is('win')?' win':''
].join(" "));
//alert (u);
}();

function checkFormSubmitEnter(event) {
	if ((event.keyCode==10) || (event.keyCode==13)) {
		return true
	}
	return false;
}

function formSubmitEnter(event) {
	if (checkFormSubmitEnter(event)) {
		event.target.form.submit();
	}
}