function tr_over(elem){
	elem.style.backgroundColor="#ddddff";
}
function tr_out(elem){
	elem.style.backgroundColor="";
}
function justNumbers(e)
{
	var keynum
	var keychar
	var numcheck

	if(window.event) // IE
	{
		keynum = e.keyCode
	}
	else if(e.which) // Netscape/Firefox/Opera
	{
		keynum = e.which
	}
	keychar = String.fromCharCode(keynum)
	numcheck = /[a-z,\!@#\$%\^&\*\(\)\_\+\-\+\|\\\/~`= {}\[\]:;''""?\/<>]/i
	return !numcheck.test(keychar)
}

function verifica(form,value,text) {
	var elemente = "";
	var flag=0;
	var search_string = '^'+value+'.*';
	var reg = new RegExp(search_string);
	for (i=0;i<form.elements.length;i++) {
		if (reg.test(form.elements[i].name)) {
			if (form.elements[i].value=="") {
				if (document.getElementById(form.elements[i].name)) {
					elem = document.getElementById(form.elements[i].name);
					elem.style.color='black';
					flag=1;
				}

			} else {
				if (document.getElementById(form.elements[i].name)) {
					elem = document.getElementById(form.elements[i].name);
					elem.style.color='';
				}
			}
		}
	}
	if (flag==1) {
		alert (text);
		return false;
	}
	return true;
}

function show(id){
	var elem = document.getElementById(id);
	if (elem) {
		if (elem.style.display == 'none'){
			elem.style.display = '';
		}else{
			elem.style.display = 'none';
		}
	}
}

function resize_window(){
	self.resizeTo(515,screen.height-200);
	self.moveTo(0,0);
}

/**
 *
 * @access public
 * @return void
 **/
function pop_window(target){
	var url = 'http://www.simpa.biz/simpa/html_help/faq.html?faq=' + target;
	var win = window.open(url,target,'directories=no,location=yes,menubar=no,scrollbars=yes,status=0,toolbar=no,resizable=yes');
}