function IsNumeric(sText)

{
   var ValidChars = "0123456789.,";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
}

function IsNumericRound(sText)

{
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
}

function highlight_div(checkbox_node)
{
    label_node = checkbox_node.parentNode;

    if (checkbox_node.checked)
	{
		label_node.style.backgroundColor='#0a246a';
		label_node.style.color='#fff';
	}
	else
	{
		label_node.style.backgroundColor='#fff';
		label_node.style.color='#000';
	}
}

function flashColor(id)
{
    var container = $('#'+id);
    if(container.length)
    {
        var originalColor = container.css('backgroundColor');
        console.log(originalColor);
        container.animate({
                backgroundColor:'#FFFF00',
                width: '800px'
            },'slow','linear',function(){
              $(this).animate({
                backgroundColor:originalColor
              });
      });
      console.log('termino');
    }
}

/*    var container = $('#'+id);
    console.log(container);
    if(container.length)
    {
        var originalColor = container.css('backgroundColor');
        console.log(originalColor);
        container.animate({
            backgroundColor:'yellow'
            },'normal','linear',function(){
            $(this).animate({
                backgroundColor:originalColor
            });
            });
    }
}*/

function getSelectedRadio(formName,radioName){
	
	var radioGrp = document['forms'][formName][radioName];
	var radioValue = null;
	if(!radioGrp.length){
		return radioGrp.value;
	}
	for(i=0; i < radioGrp.length; i++){
    		if (radioGrp[i].checked == true) {
        		var radioValue = radioGrp[i].value;
    		}
	}
	return radioValue;
}

function preloadImages(imagenes){
	var i;
	var lista_imagenes = new Array();
	for(i = 0; i<imagenes.length;i++){
			lista_imagenes[i] = new Image();
			lista_imagenes[i].src = imagenes[i];
		}
}