function changeFocus(to, from, changeWhenLength)
{
    if(from.value.length == changeWhenLength)
        to.focus();
}

function tieObject(event,objectId)
{
    if ((event.which && event.which == 13) || (event.keyCode && event.keyCode == 13))
    {
		if(navigator.userAgent.indexOf('Safari') >= 0 || navigator.userAgent.indexOf('Opera') >= 0) {
			for(var i = 0; i < document.forms[0].length; i++)
			{
				if(document.forms[0].elements[i].type == 'submit')
				{
					if(document.forms[0].elements[i].id != objectId)
						document.forms[0].elements[i].type = 'button';
				}
			}
		}
  
        document.getElementById(objectId).focus();
        document.getElementById(objectId).click();
        return true;
    } 
    else 
        return true;
}