function trim(string) {
	var str = string.replace(/^\s*/, "");
	str = str.replace(/\s*$/, "");
	return str;
}

function VerificaCampo(Campo, Nome) {
	if (trim(Campo.value)=="") {
		alert("O campo \""+Nome+"\" não pode estar vazio!");
		Campo.value="";
		Campo.focus();
		return false;
	}
	else
		return true;	
}

function VerificaEMail(Campo) {
	if (trim(Campo.value)=="" || Campo.value.indexOf('@', 0) == -1 || Campo.value.indexOf('.', 0) == -1) {
		alert("E-Mail invalido!");
		Campo.focus();
		Campo.select();
		return false;
	}
	else
		return true;	
}

//Specify affected tags. Add or remove from list:
var tgs = new Array( 'div' );

//Specify spectrum of different font sizes:
var szs = new Array( 'xx-small','x-small','small','medium','large','x-large','xx-large' );
var startSz = 2;

function ts( trgt,inc ) {
if (!document.getElementById) return
var d = document,cEl = null,sz = startSz,i,j,cTags;
sz += inc;
if ( sz < 0 ) sz = 0;
if ( sz > 6 ) sz = 6;
startSz = sz;
if ( !( cEl = d.getElementById( trgt ) ) ) cEl = d.getElementsByTagName( trgt )[ 0 ];

cEl.style.fontSize = szs[ sz ];

for ( i = 0; i < tgs.length; i++ ) {
cTags = cEl.getElementsByTagName( tgs[ i ] );
for ( j = 0; j < cTags.length; j++ ) cTags[ j ].style.fontSize = szs[ sz ];
}
}

function Data(data, objeto){
	var keypress=(window.event)?event.keyCode:data.which;
	campo = eval (objeto);
	if (campo.value == '00/00/0000')
	{
		campo.value=""
	}

	caracteres = '0123456789';
	separacao1 = '/';
	conjunto1 = 2;
	conjunto2 = 5;
	if ((caracteres.search(String.fromCharCode (keypress))!=-1) && campo.value.length < (10))
	{
		if (campo.value.length == conjunto1 )
		campo.value = campo.value + separacao1;
		else if (campo.value.length == conjunto2)
		campo.value = campo.value + separacao1;
	}
	else
		event.returnValue = false;
}