ÿþfunction trimText(tx){

 if(tx || tx==0){

  tx=tx.toString();

  while(tx.charCodeAt(0)<33){tx=tx.substring(1);}

  while(tx.charCodeAt(tx.length-1)<33){tx=tx.substring(0,tx.length-1);}

 }else{tx="";}

 return(tx);

}

function enviar(fo,ur,sb,el){

 var i,chk=''; if(ur==null){ur='';}

 if(fo && ur.length){

  if(sb==null){sb='';} if(el==null || el==''){el=[];}else{el=el.split(",");}

  if(ur.indexOf("?")==-1){ur+='?';}

  ur='mailto:'+ur+'Subject='+escape(sb)+'&Body=';

  while(el.length<fo.elements.length){el[el.length]='';}

  for(i=0;i<fo.elements.length;i++){

   if(el[i].length){

    if(el[i].indexOf("*")==0){

     el[i]=el[i].substring(1); if(!el[i].length || el[i]=="#"){el[i]=fo.elements[i].name;}

     if(!trimText(fo.elements[i].value).length){

      if(!chk.length){chk='Faltan campos por rellenar: '+el[i];}else{chk+=', '+el[i];}

     }

    }

    if(el[i]=="#"){el[i]=fo.elements[i].name;}

    ur+=escape(el[i]+':\n'+fo.elements[i].value+'\n\n');

   }

  }

  if(chk.length){alert(chk);}else{location.href=ur;}

 }

}