var SIDString = '';

                function getRandomLetter(){
                    return String.fromCharCode(getRandom(65, 90));
                }

                function getRandom(lowerBound, upperBound){
                    return Math.floor((upperBound - lowerBound + 1) * Math.random() + lowerBound);
                }

                function SetSID(){
                    if (SIDString.length > 0){
                        return SIDString;
                    }

                    sidc = 0;				
                    while (sidc < 32){
                        SIDString = SIDString + getRandomLetter();
                        sidc++;
                    }
                    return SIDString;
                }
		                        
            function CheckMultiple1(frm, name){
                for (var i=0; i < frm.length; i++){
                    fldObj = frm.elements[i];
                    fldId = fldObj.id;
                    if (fldId) {
                        var fieldnamecheck=fldObj.id.indexOf(name);
                        if (fieldnamecheck != -1){
                            if (fldObj.checked){
                                return true;
                            }
                        }
                    }
                }
                return false;
            }
        	function CheckForm1(f){
	            if (f.email.value == ""){
	                alert("Por favor, indique o endereço de email.");
	                f.email.focus();
	                return false;
	            }
       
                if (f.captcha.value == ""){
                    alert("Digite o código de segurança mostrado.");
                    f.captcha.focus();
                    return false;
                }
                return true;
            };