function getElement(tag){
	return document.getElementById(tag);
}

function getValue(_elemento){
	var obj = getElement(_elemento);
	if(obj.tagName=='select'){
		var n = obj.selectedIndex;
		var val = obj[n].value;
		return val;
	}
	else{
		switch(obj.type){
		case 'checkbox':
			if (obj.checked){
				return '1';
			}
			else{
				return '0';
			}
			break;
		default:
			return obj.value;
			break;
		}
	}
}

function submitForm(f){
	var formName = getElement(f);
	formName.submit();
}

function MM_goToURL() {
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}