function onFocus(campo,def){
	if(campo.value == "" || campo.value == def){
		campo.value = "";
	}
	campo.id = "formon";
}
function onBlur(campo,def){
	if(campo.value == "" || campo.value == def){
		campo.value = def;
	}
	campo.id = "formoff";
}
function imagen(img, x, y){
	document.changing.style.display = 'none';
	document.changing.src = img;
	width = 455;
	height = 315;
	Wmin = false;
	Hmin = false;
	if(x > y) Hmin = true;
	else Wmin = true;
	
	if(Hmin && y > height){
		document.changing.height = height;
		document.changing.width = (height/y) * x;
	}
	else if(Wmin && x > width){
		document.changing.width = width;
		document.changing.height =(width/x) * y;
	}
	
	else{
		document.changing.height = y;
		document.changing.width = x;
	}
	
	document.changing.style.display = '';
}
function fotito(img, x, y, id){
	document.getElementById(id).style.display = 'none';
	document.getElementById(id).src = img;
	width = 128;
	height = 96;
	
	document.getElementById(id).height = height;
	document.getElementById(id).width = width;
	
	document.getElementById(id).style.display = '';		
}
function formtest(error001,error002,error003) {
	var nom,ape,tel,mail;
	var nombre, apellidos, telfax, email;
	nombre=document.form1.nombre.value;
	apellidos=document.form1.apellidos.value;
	telfax=document.form1.telfax.value;
	email=document.form1.email.value;
	if(document.getElementById(error001).style.display==''){ 
		document.getElementById(error001).style.display = "none";
	}if(document.getElementById(error002).style.display==''){ 
		document.getElementById(error002).style.display = "none"; 
	}if(document.getElementById(error003).style.display==''){ 
		document.getElementById(error003).style.display = "none"; 
	}
	if (nombre == "" || apellidos == "" || telfax == "" || email == "") {
		document.getElementById(error001).style.display = ""; 
		if(nombre == ""){document.form1.nombre.focus();return false;}
		else if(apellidos == ""){document.form1.apellidos.focus();return false;}
		else if(telfax == ""){document.form1.telfax.focus();return false;}
		else if(email == ""){document.form1.email.focus();return false;}
		return false;
	}
	
	/*telfax*/
	i=0;
	num=0;
	error=0;
	if(telfax.length>15){
		error=1;
	}
	for (i=i; i<telfax.length; i++) {
		if (telfax.charAt(i)=="0" || telfax.charAt(i)=="1" || telfax.charAt(i)=="2" || telfax.charAt(i)=="3" || telfax.charAt(i)=="4" ||  telfax.charAt(i)=="5" || telfax.charAt(i)=="6" || telfax.charAt(i)=="7" || telfax.charAt(i)=="8" || telfax.charAt(i)=="9" || telfax.charAt(i)==" " || telfax.charAt(i)=="+") {
			num++;
		}
	}
	if(num != telfax.length || error != 0){
		document.getElementById(error002).style.display = ""; 
		document.form1.telfax.focus();
		document.form1.telfax.select();
		return false;
	}
	/*email*/
	arroba=0;
	punto=0;
	cnt=0;
	i=0;
	aux2=0;
	aux=0;
	if(email != ""){
		for (i=i; i<email.length; i++) {
			if (email.charAt(i)=="@") {
				arroba++;
				aux = i;
				aux2 = i;
			}
		}
		for (aux=aux; aux<email.length; aux++) {
			if (email.charAt(aux)==".") {
				punto=1;
			}
		}
		for (aux2=aux2; aux2<email.length; aux2++) {
			cnt++;
		}
		if (arroba!=1 || punto!=1 || cnt<6) {
			document.getElementById(error003).style.display = ""; 
			document.form1.email.focus();
			document.form1.email.select();
			return false;
		}
	}
	document.form1.submit();
}