// JavaScript Document

function menufunc(menuId)
{
	if(document.getElementById(menuId).style.display == "none")
	{
		document.all.display = "none";
		document.getElementById(menuId).style.display = "block";
	}
	else
	{
		document.getElementById(menuId).style.display = "none";
	}
}


function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ValidaDatos(){																																																																																																																																																																									var doc=document,pos,pospt;
var frm=doc.forms.frmDatos;
var email=frm.txtEmail.value;

pos=email.indexOf("@");
pospt=email.indexOf(".");
																																																																																																																																																																									if(!NoVacio('txtNombre','txtEmail','txtContenido')){alert("Existen campos vacíos.\nDebe rellenar todos los campos.");return false;}																																																																																																																																																																									if((pos==0) || (pos==email.length-1)){alert("Introduzca una direccion de email valida.");return false;}																																																																																																																																								if((pospt<pos+1) || (pospt==email.length-1)){alert("Introduzca una direccion de email valida.");return false;}																																																																																																																																																																									for(i=0;i<email.length;i++)		if(email.charAt(i)==" "){alert("Introduzca una direccion de email valida");return false;}																																																																																																																																																																							return true;																																																																																																																																																																								}
																																																																																																																																																																																																																																																																																																																																																function Trim(sDato){																																																																																																																																																																									for(i=0;i<sDato.length;i++)																																																																																																																																																																										if(sDato.charAt(i)!=" "){				sDato=sDato.substring(i,sDato.length); break;			}																																																																																																																																																														for(i=sDato.length-1;i>0;i--)																																																																																																																																																																										if(sDato.charAt(i)!=" "){				sDato=sDato.substring(0,i+1); break;			}																																																																																																																																																																									return sDato;																																																																																																																																																																								}																																																																																																																																																															
																																																																																																																																																																								function NoVacio(){																																																																																																																																																																									for(j=0;j<NoVacio.arguments.length;j++){																																																																																																																																																																										with																																																																																																																																																																										(document.forms.frmDatos.elements [NoVacio.arguments[j]]){																																																																																																																																																																											value=Trim(value);																																																																																																																																																																											if (value=="") return false;																																																																																																																																																																										}																																																																																																																																																																									}																																																																																																																																																																								return true;																																																																																																																																																																							}