function hideparte (id) {
	document.getElementById(id).style.display='none';
}
function showparte (id) {
	document.getElementById(id).style.display='block';
}

function gotoSite(obj) {
	var s;
	s=obj.options[obj.selectedIndex].value
	if (s!="") {
		location.href=s;
	}
}
function getElementByClass(classname){
 var inc=0;
 var alltags=document.all? document.all : document.getElementsByTagName("*");
 for (i=0; i<alltags.length; i++){
   if (alltags[i].className==classname)
     noticias[inc++]=alltags[i];
 }
} 
function validatenum(field) {

	var valid = "0123456789"
	var ok = "yes";
	var temp;
	for (var i=0; i<field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
		}
	if (ok == "no") {
		alert("El numero ingresado no es correcto");
		field.focus();
		field.select();
   }
   
}

function validateimporte(field) {

	var valid = "0123456789."
	var ok = "yes";
	var temp;
	for (var i=0; i<field.value.length; i++) {
		temp = "" + field.value.substring(i, i+1);
		if (valid.indexOf(temp) == "-1") ok = "no";
		}
	if (ok == "no") {
		alert("El importe no es correcto, el separador decimal es el punto");
		field.focus();
		field.select();
   }
   
}

function trim(s){

	while((s.charAt(0)==" ")||(s.charAt(0)=="\t")){
		s=s.substring(1,s.length)
	}
	while((s.charAt(s.length-1)==" "||s.charAt(s.length-1)=="\t")){
		s=s.substring(0,s.length-1)
	}

	return s

}