var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;

var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;

var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

jsVersion = 1.1;





/*



Checker = new Validator(Form Id);

Checker.AddCheck("field id", { checktype : "email", empty_valid : false, warning: "Please enter a valid email address"});

Checker.AddCheck("field id", { checktype : "regexp", expression: "^\\d+$", empty_valid : false, warning: "Please enter a valid number" });

Checker.AddCheck("field id", { checktype : "numeric", empty_valid : false, numtype: "fp", warning: "Please enter a valid number" });

Checker.CheckFormAndSubmit();

*/



		var ValidEmpty = 2;			

		

		var Validator = function () {



			this.CheckArray = new Array;

			this.TestMode = true;

			this.SetTestMode = function(Val)

			{

				this.TestMode = Val;

			}

			this.DebugAlert = function(Txt)

			{

				if(true == this.TestMode)

				{

					alert(Txt);

				}

			}



			

			this.testwrite = function()

			{

				document.write("helloagain");

			}

			

			this.AddCheck = function(FieldId, OpArray)

			{

					OpArray['fieldid'] = FieldId;

					this.CheckArray.push(OpArray);

			}

			

			this.GetOps = function(ActionItem)

			{

				return this.CheckArray[ActionItem];

			}			



			this.SetOp = function(ActionItem, Variable, Value) 

			{

				this.CheckArray[ActionItem][Variable] = Value;

			}



			this.GetWarning = function(ActionItem)

			{

				OpArray = this.GetOps(ActionItem);

				if (OpArray["warning"])

				{

					return OpArray["warning"];

				}

				else

				{

					

					if ( ('each'!=ActionItem) && ('undefined'!=ActionItem) && ('eachSlice'!=ActionItem))

					{

						

						DefaultWarning = this.DefaultErrors[OpArray["checktype"]];

						if ('' != DefaultWarning)

						{

							return DefaultWarning;

						}

						else 

						{

							return "there is an error in the form";

						}

					}	

				}

			}

			

			this.CheckIfEmpty = function(ActionItem)

			{

				OpArray = this.GetOps(ActionItem);

				FieldId = OpArray.fieldid;

				Value = document.getElementById(FieldId).value;

				if ('' == Value)

				{

					if (true == OpArray['empty_valid']) 

					{

						return ValidEmpty;

					} else {

						return false;

					}

				}

				else

				{

					return true;

				}

			}

			

			this.CheckEmail = function(ActionItem)

			{

				NotEmpty = this.CheckIfEmpty(ActionItem);

				if (true == NotEmpty) 

				{

					OpArray = this.GetOps(ActionItem);

					FieldId = OpArray.fieldid;

					Field = document.getElementById(FieldId);

					with (Field)

					{

						AtPos=value.indexOf("@");

						DotPos=value.lastIndexOf(".");

						SpacePos = value.indexOf(" ");

						if ( (AtPos<1) || (DotPos-AtPos<2) || (-1 != SpacePos) )

						{

							return false;

						}

						else 

						{

							return true;

						}

					}

					return true;

				} 

				else

				{

					if (ValidEmpty == NotEmpty)

					{

						return true;

					}

					else

					{

						return false;

					}

				}

			}

			

			this.CheckRegExp = function(ActionItem)

			{

				NotEmpty = this.CheckIfEmpty(ActionItem);

				if (true == NotEmpty) 

				{

					OpArray = this.GetOps(ActionItem);

					FieldId = OpArray.fieldid;

					Expression = new RegExp(OpArray['expression']);

					if(Expression.test(document.getElementById(FieldId).value))

					{

						return true;

					} else {

						return false;

					}

				}

				else

				{

					if (ValidEmpty == NotEmpty)

					{

						return true;

					}

					else

					{

						return false;

					}

				}

			}



			this.CheckPassConfirm = function(ActionItem)

			{

				OpArray = this.GetOps(ActionItem);

				FieldId = OpArray.fieldid

				CheckField = OpArray.confirmfield 

				if (CheckField)

				{

					if (document.getElementById(CheckField))

					{

						if (document.getElementById(CheckField).value == document.getElementById(FieldId).value)

						{

							return true;

						}

						else

						{

							return false;

						}

					}

					else

					{

						this.DebugAlert("Second Password FieldId does not exist");

						return false;

					}

				}

				else

				{

					this.DebugAlert("Confirm Password field not given");

					return false;

				}

			}

			

			

			

			this.CheckEmptyDepends = function(ActionItem)

			{

				OpArray = this.GetOps(ActionItem);

				FieldId = OpArray.fieldid

				DependsField = OpArray.dependsfield 

				if (DependsField)

				{

					if (document.getElementById(DependsField))

					{

						if (OpArray.dependsvalue)

						{

							CheckValue = OpArray.dependsvalue

						}

						else

						{

							CheckValue = '';

						}

						if (CheckValue == document.getElementById(DependsField).value)

						{

							if ('' == document.getElementById(FieldId).value)

							{

								return false;

							}

							else

							{

								return true;

							}

						}

						else

						{

							return true;

						}

					}

					else

					{

						this.DebugAlert("Dependent field does not exist (id wrong?)");

						return false;

					}

				}

				else

				{

					this.DebugAlert("Dependent field not given");

					return false;

				}

			}

			

						this.CheckNumeric = function(ActionItem)

			{

				NotEmpty = this.CheckIfEmpty(ActionItem);

				if (true == NotEmpty) 

				{

					OpArray = this.GetOps(ActionItem);

					if (OpArray['numtype']) {

						switch (OpArray['numtype']) {

						case "fp":

							//error in this regexp

							Expression = "[-+]?[0-9]*\\.?[0-9]+";

							break;

						case "int":

						default:

							Expression = "^\\d+$";

						}

					} else {

						Expression = "^\\d+$";

					}

						

					this.SetOp(ActionItem, "expression", Expression );

					

					if(this.CheckRegExp(ActionItem))

					{

						return true;

					} else {

						return false;

					}

				}

				else

				{

					if (ValidEmpty == NotEmpty)

					{

						return true;

					}

					else

					{

						return false;

					}

				}

			}

			

			

			this.CheckField = function(ActionItem)

			{

				OpArray = this.GetOps(ActionItem);

				CheckType = OpArray["checktype"];



				switch (CheckType)

				{

					case "emptydepends":

						return this.CheckEmptyDepends(ActionItem);

						break;

					case "passconfirm":

						return this.CheckPassConfirm(ActionItem);

						break;

					case "email":

						return this.CheckEmail(ActionItem);

						break;

					case "regexp":

						return this.CheckRegExp(ActionItem);

						break;

					case "numeric":

						return this.CheckNumeric(ActionItem);

						break;

					case "notempty":

						Result = this.CheckIfEmpty(ActionItem);

						return Result;

						break;

					default:

						return false;

				}

				/*switch (CheckType)

				{

					case "email":

						return this.CheckEmail(ActionItem);

						break;

					default:

						return false;

				}*/

				return true;

			}



		this.CheckForm = function()

		{

			for (CheckAction in this.CheckArray)

			{

				

				OpArray = this.GetOps(CheckAction);

				FieldId = OpArray['fieldid'];

				

				if ( ('each'==CheckAction) || ('undefined'==CheckAction) || ('undefined'==typeof(FieldId)) )

				{}

				else

				{

					if (false == this.CheckField(CheckAction))

					{

						

						Warning = this.GetWarning(CheckAction);

						alert(Warning);

						document.getElementById(FieldId).focus();

						return false;

						break;

					}

				}

				

			

				

			}

			

			return true;

		}

		

/*			this.CheckForm = function()

			{

				for (CheckAction in this.CheckArray)

				{

					FieldId = CheckAction.fieldid;

					if (false == document.getElementById(FieldId))

					{

						this.DebugAlert("Element does not exist: "+FieldId);

					}

					if (false == this.CheckField(CheckAction))

					{

						Warning = this.GetWarning(CheckAction);

						alert(Warning);

						document.getElementById(FieldId).focus();

						return false;

						break;

					}

				}

				return true;

		}*/

			

		}