function enviarformulario()
{
   var nombre=document.forms[0].nombre.value;
   var apellidos=document.forms[0].apellidos.value;
   var empresa= document.forms[0].empresa.value;
   var email=document.forms[0].email.value;
   var telefono= document.forms[0].telefono.value;
   var direccion= document.forms[0].direccion.value;
   var sw1 = sw2 = sw3 = true;

	for (i=0;i<document.forms[0].cargo.length;i++){ 
	   if (document.forms[0].cargo[i].checked){
			   sw1 = false;
	   } 
	}
	for (i=0;i<document.forms[0].sector.length;i++){ 
	   if (document.forms[0].sector[i].checked){
			   sw2 = false;
	   } 
	}
	for (i=0;i<document.forms[0].actividad.length;i++){ 
	   if (document.forms[0].actividad[i].checked){
			   sw3 = false;
	   } 
	}

	if ((nombre=="") || (apellidos=="") || (empresa=="") || (direccion=="")){
		alert("Debe rellenar todos los campos obligatorios");
	}else if ((email == "") && (telefono == "")){
		alert("Debe rellenar o el email o el teléfono para ponernos en contacto con usted");
	}else if ((email != "") && (document.forms[0].email.value.indexOf('@',0) == -1)){
		alert("La dirección de correo electrónico no es válida");
	}else if (sw1 || sw2 || sw3){
		alert("Debe rellenar el cargo, sector y actividad");
	}else{
		document.forms[0].submit();
	}
}	

function nuevaventana(thePage,name,wt,ht,sc,res){ 
	leftPos= (screen.width-wt)/6 
	topPos = (screen.height-ht)/6 
	eval("win_"+name+" = window.open(thePage,name,'toolbars=yes, resizable='+res+',scrollbars="+sc+",left="+leftPos+",top="+topPos+",width="+wt+",height="+ht+"')");
} 

function imprimir(){ 
	this.print();
}

function cambiar_categoria(){
		form=document.forms['catalogo'];
		if (form.id_categoria_a.selectedIndex != 0){
			form.submit();
		}
}

function ventana(url,targe,ancho,alto) {
var ven
posh=(Math.round(screen.height-(alto))/2)//centra la ventana a lo alto
posv=(Math.round(screen.width-(ancho))/2)//centra a lo ancho

if (ven && !ven.closed){ven.close();}

ven = 
window.open(url,targe,"toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,width=" + ancho + "px,height=" + alto + "px,left=" + posv + ",top=" + posh + ",resizable=no");

ven.focus()
}

/**********************************************************************************   
PopupDescriptions 
*   Copyright (C) 2001 <a href="/dhtmlcentral/thomas_brattli.asp">Thomas Brattli</a>
*   This script was released at DHTMLCentral.com
*   Visit for more great scripts!
*   This may be used and changed freely as long as this msg is intact!
*   We will also appreciate any links you could give us.
*
*   Made by <a href="/dhtmlcentral/thomas_brattli.asp">Thomas Brattli</a> 
*********************************************************************************/

function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom && !this.opera5)?1:0; 
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom && !this.opera5)?1:0;
	this.ie4=(document.all && !this.dom && !this.opera5)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
	this.ns4=(document.layers && !this.dom)?1:0;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5)
	return this
}
var bw3=new lib_bwcheck()





fromX = 50 //How much from the actual mouse X should the description box appear?
fromY = -20 //How much from the actual mouse Y should the description box appear?

//To set the font size, font type, border color or remove the border or whatever,
//change the clDescription class in the stylesheet.

//Makes crossbrowser object.
function makeObj(obj){								
   	this.evnt=bw3.dom? document.getElementById(obj):bw3.ie4?document.all[obj]:bw3.ns4?document.layers[obj]:0;
	if(!this.evnt) return false
	this.css=bw3.dom||bw3.ie4?this.evnt.style:bw3.ns4?this.evnt:0;	
   	this.wref=bw3.dom||bw3.ie4?this.evnt:bw3.ns4?this.css.document:0;		
	this.writeIt=b_writeIt;																
	return this
}

// A unit of measure that will be added when setting the position of a layer.
var px = bw3.ns4||window.opera?"":"px";

function b_writeIt(text){
	if (bw3.ns4){this.wref.write(text);this.wref.close()}
	else this.wref.innerHTML = text
}

//Capturing mousemove
var descx = 0
var descy = 0
function popmousemove(e){descx=bw3.ns4||bw3.ns6?e.pageX:event.x; descy=bw3.ns4||bw3.ns6?e.pageY:event.y}

var oDesc;
//Shows the messages
function popup(num){
    if(oDesc){
		oDesc.writeIt('<div class="clDescription">'+messages[num]+'</div>')
		if(bw3.ie5||bw3.ie6) descy = descy+document.body.scrollTop
		oDesc.css.left = (descx+fromX)+px
		oDesc.css.top = (descy+fromY)+px
		oDesc.css.visibility = "visible"
    }
}
//Hides it
function popout(){
	if(oDesc) oDesc.css.visibility = "hidden"
	oDesc.writeIt('<div class="clDescription">'+defecto+'</div>')
		if(bw3.ie5||bw3.ie6) descy = descy+document.body.scrollTop
		oDesc.css.left = (descx+fromX)+px
		oDesc.css.top = (descy+fromY)+px
		oDesc.css.visibility = "visible"
}
function setPopup(){
   	if(bw3.ns4)document.captureEvents(Event.MOUSEMOVE)
    document.onmousemove = popmousemove;
	oDesc = new makeObj('divDescription')
}