function changeTipo(elem){
   $(".attribute-proveedor select").attr("disabled","disabled");
   $(".attribute-cliente select").attr("disabled","disabled");
   if(elem.value == 0) $(".attribute-proveedor select").removeAttr("disabled");
   else $(".attribute-cliente select").removeAttr("disabled");
}
function changeProveedor(elem){
   if(elem.selectedIndex == elem.options.length-1) $(".attribute-otro_proveedor").show();
   else $(".attribute-otro_proveedor").hide();
}
function changeCliente(elem){
   if(elem.selectedIndex == elem.options.length-1) $(".attribute-otro_cliente").show();
   else $(".attribute-otro_cliente").hide();
}

function resizeText(elem, num){
   if((parseInt(elem.css('font-size')) < 15 && num == 1) || (parseInt(elem.css('font-size')) > 10 && num == -1)){
         elem.css('font-size',parseInt(elem.css('font-size')) + num);
   }
}
   
$(document).ready(function(){
   $("#marquesina .content").jStockTicker({interval: 30});

});