/* Yzum 12-2006 */

function cambiar_polaroid (color) {

var capa = document.getElementById('ctl00_ContentPlaceHolder1_fotos_frmnueva_nuevapolaroid')
capa.className='polaroid-' + color;

}


function dejacomentario() {
document.getElementById('bloquedejarcomentario').style.display='block';
document.getElementById('ctl00_cuerpo_txtnombre').focus();
var elem
elem=document.getElementById('btndejacomentario');
elem.style.display='none';
return false;
}


function check_form () {

var txt 
txt = document.getElementById('ctl00_ContentPlaceHolder1_fotos_frmnueva_txtnombre');
if (txt.value == '') {    
    capa = document.getElementById('errnombre');
    capa.style.visibility="visible";
    return false;
    }    
    
txt = document.getElementById('ctl00_ContentPlaceHolder1_fotos_frmnueva_imagen');
if (txt.value == '') {   
    capa = document.getElementById('errimagen'); 
    capa.style.visibility="visible";    
    return false;
    }
txt = document.getElementById('ctl00_ContentPlaceHolder1_fotos_frmnueva_txtlink');
if (txt.value == '') {  
    capa = document.getElementById('errenlace');   
    capa.style.visibility="visible";
    return false;
    }
txt = document.getElementById('ctl00_ContentPlaceHolder1_fotos_frmnueva_txtcoment');
if (txt.value == '') {   
    capa = document.getElementById('errcomentario');  
    capa.style.visibility="visible";
    return false;
    }    
}