function validarForm(campos){
	if(typeof(campos)=='string'){
		strCampos=campos;
		campos=new Array();
		campos=strCampos.split(',');
	}
	
	var incompleto,marcado,total,i,totalCampos,objCampo;
	
	incompleto=false;
	error = "";
	total=campos.length;
	for(x=0;x<total;x++){
		objCampo=document.getElementsByName(campos[x])[0];
		if(objCampo.type=='text'||objCampo.type=='select-one'||objCampo.type=='file'||objCampo.type=='password'||objCampo.type=='textarea'){
			objCampo=document.getElementsByName(campos[x]);
			totalCampo=objCampo.length;
			for(i=0;i<totalCampo;i++){
				if(objCampo[i].value==''||objCampo[i].value==false&&objCampo[i].value!=='0'){
					objCampo[i].style.background='#ffffcc';
					incompleto=true;
				}else{
					objCampo[i].style.background='#ffffff';
				}

				if (campos[x] == "email") {
					if (!emailCheck(objCampo[i].value)) {
						error += "E-mail com formato incorreto!\n";
						objCampo[i].style.background='#ffffcc';
					}
				}
				if (campos[x] == "email_amigo") {
					if (!emailCheck(objCampo[i].value)) {
						error += "E-mail com formato incorreto!\n";
						objCampo[i].style.background='#ffffcc';
					}
				}
			}

		}else if(objCampo.type=='radio'){
			objCampo=document.getElementsByName(campos[x]);
			totalCampo=objCampo.length;
			marcado=false;
			for(i=0;i<totalCampo;i++){
				if(objCampo[i].checked==true){
					marcado=true;
				}
			}
			if(!marcado){
				objCampo[0].style.background='#ffffcc';
				incompleto=true;
			}
		}
		
		
	}
	if(incompleto==true){
		error += 'Dados Incompletos!';
	}
	
	if (error != "") {
		alert(error);
		return false;
	}
	return true;
}

function emailCheck (emailStr) {
	var emailPat=/^(.+)@(.+)$/
	var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
	var validChars="\[^\\s" + specialChars + "\]"
	var quotedUser="(\"[^\"]*\")"
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
	var atom=validChars + '+'
	var word="(" + atom + "|" + quotedUser + ")"
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
	var msgerro = "E-mail com formato incorreto"
	var matchArray=emailStr.match(emailPat)
	if (matchArray==null) {
		return false
	}
	var user=matchArray[1]
	var domain=matchArray[2]
	
	if (user.match(userPat)==null) {
		return false
	}
	var IPArray=domain.match(ipDomainPat)
	if (IPArray!=null) {
		  for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
			return false
			}
		}
		return true
	}
	var domainArray=domain.match(domainPat)
	if (domainArray==null) {
		return false
	}
	var atomPat=new RegExp(atom,"g")
	var domArr=domain.match(atomPat)
	var len=domArr.length
	if (domArr[domArr.length-1].length<2 || 
		domArr[domArr.length-1].length>3) {
	   return false
	}
	if (len<2) {
	   return false
	}
	return true;
}