function setCaretPosition(elemId, caretPos) {
    var elem = document.getElementById(elemId);
	if (caretPos == 'end') {
		caretPos = elem.value.length;
	}

    if(elem != null) {
        if(elem.createTextRange) {
            var range = elem.createTextRange();
			range.move('character', caretPos);
            range.select();
        }
        else {
            if(elem.selectionStart) {
				setTimeout( function() { elem.focus(); }, 1);
                elem.setSelectionRange(caretPos, caretPos);
            }
			else {
				setTimeout( function() { elem.focus(); }, 1);
			}
        }
    }
}