function ValidateCharacters(oObject)
{
	var iChars = "<>;&?')(";

	for (var i = 0; i < oObject.value.length; i++)
	{
		if (iChars.indexOf(oObject.value.charAt(i)) != -1)
		{
			alert ("Special Characters ' < > ; & ? )( are not allowed");
			oObject.value=oObject.value.replace("'"," ");
			oObject.value=oObject.value.replace("<"," ");
			oObject.value=oObject.value.replace(">"," ");
			oObject.value=oObject.value.replace(";"," ");
			oObject.value=oObject.value.replace("("," ");
			oObject.value=oObject.value.replace(")"," ");
			oObject.value=oObject.value.replace("&"," ");
			oObject.value=oObject.value.replace("?"," ");
			
			return false;
		}
	}
}