function RemoveMultiTextBoxSelection(objTextBox){
	
	var blnOptionSelected = false;
	
	for(var i = 0; i < objTextBox.options.length; ++i)
	{
		if(objTextBox.options[i].selected)
		{
			blnOptionSelected = true;
			objTextBox.options[i] = null;
			i--;
		}
	}
	
	if(!blnOptionSelected)
	{
		alert("Please select an option to remove");
	}
}