//<-----------------------------------------------------JAVASCRIPT FORM VALIDATION MODULE-->//
//
// This module can be used for basic client side form validations in JavaScript.
// 
// Date Created: 25 February 2003
// Last Update: 26 May 2003
// Tested for: Netscape 6.1 and Internet Explorer 5.5 and above
// Author: Benjé Mouton
// Company: 001 Digital Construction
// Files: "validation.asp"
//
//<-----------------------------------------------------------------STANDARD SCRIPT BLOCK-->//
//
// Include the following script block in the head tag in order for the functions to
// work.
//
// <script language=javascript>
// <!--
// 	function validate(sForm) {
// 		ErrorMsg = "";
//
// 		||<<OOoo Call Functions Here ooOO>>||
//
// 		if (ErrorMsg != "") {
// 			ErrorMsg = "The form could not be submitted for the following reasons:" + ErrorMsg;
// 			window.alert(ErrorMsg);
// 			return false;
// 		}
// 	}
// //-->
// </script>
// <script language="javascript" src="validation.asp"></script>
//
//<-------------------------------------------------------------------------EVENT HANDLER-->//
//
// Include the following event handler to activate the form validation functions.
//
// onSubmit/onClick="return(validate(this.form.name))"
//
//<---------------------------------------------------------------------------------------->//
//
// <script language="javascript">
//
//<--BASIC FUNCTIONS----------------------------------------------------------------------->//

var ErrorMsg = "";
var Elements = new Array();

//<--NO BLANK VALUE FUNCTION-------------------------------------------------------------->//

function non_blank(sForm, sField, sMsg) {
	var objControl = eval("document." + sForm + "." + sField);

	if (trim_string(objControl.value).length < 1) {
		if (sMsg == "") {
			return false;
		} else {
			ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
		}

	} else {
		return true;
	}
}

//<--PASSWORD COMPARE FUNCTION------------------------------------------------------------>//

function is_equal(sForm, sField1, sField2, sMsg, bRequired) {
	var objControl1 = eval("document." + sForm + "." + sField1);
	var objControl2 = eval("document." + sForm + "." + sField2);
	var bContents1 = non_blank(sForm, sField1, "");
	var bContents2 = non_blank(sForm, sField2, "");
	var bEqual = 0;

	if (trim_string(objControl1.value) == trim_string(objControl2.value) && bContents1 && bContents2) {
		bEqual = true;
	} else {
		bEqual = false;
	}

	if (bRequired && !bEqual) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (!bRequired && !bEqual) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

//<--VALID EMAIL ADDRESS FUNCTION--------------------------------------------------------->//

function valid_email(sForm, sField, sMsg, bRequired) {
	var objControl = eval("document." + sForm + "." + sField);
	var bContents = non_blank(sForm, sField, "");
	var bCheck = 0;

	if (objControl.value.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1) {
		bCheck = true;
	} else {
		bCheck = false;
	}
	
	if (bRequired && !bContents && !bCheck) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (bRequired && bContents && !bCheck) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (!bRequired && bContents && !bCheck) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

//<--CREDIT CARD FUNCTION----------------------------------------------------------------->//

function credit_card(sForm, sField, sMsg) {
	var objControl = eval("document." + sForm + "." + sField);
	var Err = false;

	if (!non_blank(sForm, sField, "")) {
		Err = true;
	}

	if (!is_integer(sForm, sField, ""))	{
		Err = true;
	}

	if (trim_string(objControl.value).length > 19) {
		Err = true;
	}
	
	if (!Err) {
		var slength = objControl.value.length;
		var value = new Array(slength);
		var sSum = 0;
		var mSum = 0;
	
		for (var i = 0; i < slength; i++) {
			value[i] = objControl.value.charAt(i);
		}
		
		value.reverse();
		
		for (var i = 0; i < slength; i++) {
			if (i % 2 != 0) {
				sSum = sSum + ("" + eval(value[i] * 2));
			} else {
				sSum = sSum + ("" + eval(value[i]));
			}
		}
		
		for (var i = 0; i < sSum.length; i++) {
			mSum = mSum + eval(sSum.charAt(i));
		}
	} else {
		Err = true;
	}
	
	if (mSum % 10 != 0 || Err) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else {
		return true;
	}
}

//<--FORMAT CURRENCY FUNCTION-------------------------------------------------------------->//


function format_currency(sForm, sField, sMsg, bRequired) {
	var objControl = eval("document." + sForm + "." + sField);
	var sValue = 0;
	var Err = false;

	if (is_float(sForm, sField, "", bRequired) == true) {
		sValue = decimal(objControl.value, 2);
	} else {
		Err = true;
	}
	
	if (Err) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else {
		objControl.value = sValue;
	}
}

//<--OPTION CONTROL FUNCTIONS-------------------------------------------------------------->//

function check_checked(sForm, sField, iMin, sMsg) {
	var elements = document.getElementsByName(sField);
	var intChecked = 0;

	for (var i = 0; i < elements.length; i++) {
		if (elements[i].checked) {
			intChecked++;
		}
	}
	
	if (intChecked < iMin) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

function check_selected(sForm, sField, iMin, sMsg) {
	var objControl = eval("document." + sForm + "." + sField);
	var intSelected = 0;

	for (var i = 0; i < objControl.length; i++) {
		if (objControl[i].selected) {
			intSelected++;
		}
	}

	if (intSelected < iMin) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

function check_selected_value(sForm, sField, sMsg) {
	var objControl = eval("document." + sForm + "." + sField);

	if (objControl.value == "") {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

function option_selected(sForm, sField, iMin, sMsg) {
	var elements = document.getElementsByName(sField);
	var intChecked = 0;

	for (var i = 0; i < elements.length; i++) {
		if (elements[i].checked) {
			intChecked++;
		}
	}
	
	if (intChecked < iMin) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

//<--CHECK FILE EXTENTION FUNCTION--------------------------------------------------------->//

function check_file(sForm, sField, sMsg, bRequired) {
	var objControl = eval("document." + sForm + "." + sField);
	var sFile = objControl.value.substr(objControl.value.indexOf(".") + 1, 5);
	var bContents = non_blank(sForm, sField, "");
	var bMatches = null;
	
	for (var i = 0; i < sExtentions.length; i++) {
		if (sExtentions[i] == trim_string(sFile)) {
			bMatches = true;
		}
	}
	
	if (bRequired && !bContents && !bMatches) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (bRequired && bContents && !bMatches) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (!bRequired && bContents && !bMatches) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

//<--IS VALID DATE FUNCTION---------------------------------------------------------------->//

function isDate(sForm, sField, sMsg, bRequired) {
	var objControl = eval("document." + sForm + "." + sField);
	var bContents = non_blank(sForm, sField, "");
	var bValid = false;
	var sDate = new Array("JAN","FEB","MAR","APR","MAY","JUN","JUL","AUG","SEP","OCT","NOV","DEC");
	var iDays = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	var dFormat1 = /^\d{1,2}(\-)(\w){3}(\-)\d{4}$/gi // DD-MMM-YYYY
	var dFormat2 = /^\d{1,2}(\/)\d{1,2}(\/)\d{4}$/gi // DD/MM/YYYY
	
	if (bContents) {
		var bFormat1 = dFormat1.test(objControl.value);
		var bFormat2 = dFormat2.test(objControl.value);
	}
	
	if (bFormat1) {
		var aDateParts = objControl.value.split("-");
		var dDay = trim_string(aDateParts[0].toUpperCase());
		var dMonth = trim_string(aDateParts[1].toUpperCase());
		var dYear = trim_string(aDateParts[2].toUpperCase());
		
		var bMonth = false;
		var iMonth = null;
		var bDay = false;
		
		for (var i = 0; i < sDate.length; i++) {
			if (sDate[i].indexOf(dMonth) >= 0) {
				bMonth = true;
				iMonth = i;
				break;
			} else {
				bMonth = false;
			}
		}
		
		if (bMonth) {
			if (iMonth == 1) {
				if (dYear % 4 == 0) {
					if (dYear % 100 == 0) {
						 if (dYear % 400 == 0) {
						 	iDays[1] = 29;
						 } else {
						 	iDays[1] = 28;
						 }
					} else {
						iDays[1] = 29;
					}
				}
				
				if (dDay <= iDays[iMonth]) {
					bDay = true;
				} else {
					bDay = false;
				}
			} else {
				if (dDay <= iDays[iMonth]) {
					bDay = true;
				} else {
					bDay = false;
				}
			}
		} else {
			bMonth = false;
			bDay = false;
		}
		
		if (bMonth && bDay) {
			bValid = true;
		} else {
			bValid = false;
		}
	} else if (bFormat2) {
		var aDateParts = objControl.value.split("/");
		var dDay = parseInt(aDateParts[0]);
		var dMonth = parseInt(aDateParts[1] - 1);
		var dYear = parseInt(aDateParts[2]);
		
		var bMonth = false;
		var bDay = false;
		
		if (dMonth <= 12) {
			bMonth = true;
		} else {
			bMonth = false;
		}

		if (bMonth) {
			if (dMonth == 1) {
				if (dYear % 4 == 0) {
					if (dYear % 100 == 0) {
						 if (dYear % 400 == 0) {
						 	iDays[1] = 29;
						 } else {
						 	iDays[1] = 28;
						 }
					} else {
						iDays[1] = 29;
					}
				}
				
				if (dDay <= iDays[dMonth]) {
					bDay = true;
				} else {
					bDay = false;
				}
			} else {
				if (dDay <= iDays[dMonth]) {
					bDay = true;
				} else {
					bDay = false;
				}
			}
		} else {
			bMonth = false;
			bDay = false;
		}
		
		if (bMonth && bDay) {
			bValid = true;
		} else {
			bValid = false;
		}
	} else {
		bValid = false;
	}
	
	if (!bValid && bRequired && !bContents) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (!bValid && bRequired && bContents) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	} else if (!bValid && !bRequired && bContents) {
		ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
	}
}

//<--MATH FUNCTIONS------------------------------------------------------------------------>//

function isInteger(sForm, sField, sMsg) {
	var objControl = eval("document." + sForm + "." + sField);
	var RegExpPattern = new RegExp("[^0-9]", "gi");
	
	var bInValid = RegExpPattern.test(objControl.value);

	if (bInValid) {
		if (sMsg.length > 0) {
			ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
		} else {
			return false;
		}
	} else {
		return true;
	}
}

function isFloat(sForm, sField, sMsg) {
	var objControl = eval("document." + sForm + "." + sField);
	var RegExpPattern = new RegExp("[^0-9\.]", "gi");
	
	var bInValid = RegExpPattern.test(objControl.value);

	if (bInValid) {
		if (sMsg.length > 0) {
			ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
		} else {
			return false;
		}
	} else {
		return true;
	}
}

function decimal(sValue, iDec) {
      if (sValue.length > 0) {
            var sTemp = Math.round(Math.pow(10, iDec) * sValue) + "";
            var sDecimal = sTemp.substring(0, sTemp.length - iDec) + "." + sTemp.substring(sTemp.length - iDec, sTemp.length);
            return sDecimal;
      } else {
            return "";
      }
}

//<--STRING FUNCTIONS---------------------------------------------------------------------->//

function trim_string(string) {
	if (string.length != "") {
		return string.replace(/\s+/g, "");
	} else {
		return string;
	}
}

//<--FORM CLONE---------------------------------------------------------------------------->//

function form_clone_one() {
	var iElements = document.forms[0].length;

	for (var i = 0; i < iElements; i++) {
		if (document.forms[0].elements[i].type == "text") {
			Elements[i] = new Array(""+document.forms[0].elements[i].value, "");
		} else if (document.forms[0].elements[i].type == "password") {
			Elements[i] = new Array(""+document.forms[0].elements[i].value, "");
		} else if (document.forms[0].elements[i].type == "radio") {
			Elements[i] = new Array(""+document.forms[0].elements[i].checked, "");
		} else if (document.forms[0].elements[i].type == "checkbox") {
			Elements[i] = new Array(""+document.forms[0].elements[i].checked, "");
		} else if (document.forms[0].elements[i].type == "select-multiple") {
			Elements[i] = new Array(""+document.forms[0].elements[i].selectedIndex, "");
		} else if (document.forms[0].elements[i].type == "select-one") {
			Elements[i] = new Array(""+document.forms[0].elements[i].value, "");
		} else if (document.forms[0].elements[i].type == "hidden") {
			Elements[i] = new Array(""+document.forms[0].elements[i].value, "");
		} else {
			Elements[i] = new Array(""+document.forms[0].elements[i].value, "");
		}
	}
}

function form_clone_two(sForm, sField) {
	var iElements = document.forms[0].length;

	for (var i = 0; i < iElements; i++) {
		if (document.forms[0].elements[i].type == "text") {
			Elements[i][1] = ""+document.forms[0].elements[i].value;
		} else if (document.forms[0].elements[i].type == "password") {
			Elements[i][1] = ""+document.forms[0].elements[i].value;
		} else if (document.forms[0].elements[i].type == "radio") {
			Elements[i][1] = ""+document.forms[0].elements[i].checked;
		} else if (document.forms[0].elements[i].type == "checkbox") {
			Elements[i][1] = ""+document.forms[0].elements[i].checked;
		} else if (document.forms[0].elements[i].type == "select-multiple") {
			Elements[i][1] = ""+document.forms[0].elements[i].selectedIndex;
		} else if (document.forms[0].elements[i].type == "select-one") {
			Elements[i][1] = ""+document.forms[0].elements[i].value;
		} else if (document.forms[0].elements[i].type == "hidden") {
			Elements[i][1] = ""+document.forms[0].elements[i].value;
		} else {
			Elements[i][1] = ""+document.forms[0].elements[i].value;
		}
	}
	compare_clones(sForm, sField);
}

function compare_clones(sForm, sField) {
	var objControl = eval("document." + sForm + "." + sField);
	var iElements = document.forms[0].length;
	var iDiscrepancies = "";

	for (var j = 0; j < iElements; j++) {
		if (trim_string(Elements[j][0]) != trim_string(Elements[j][1])) {
			iDiscrepancies++;
		}
	}
	
	if (iDiscrepancies > 0) {
		objControl.value = "True"
	} else {
		objControl.value = "False"
	}
}

//<--SET DROP DOWN VALUE FUNCTION---------------------------------------------------------->//

function set_value(sForm, sField, iValue) {
	var objControl = eval("document." + sForm + "." + sField);
	
	for (var i = 0; i < objControl.options.length; i++) {
		if (objControl.options[i].value == iValue || parseInt(objControl.options[i].value) == parseInt(iValue)) {
			objControl.selectedIndex = i;
		}
	}
}

//<--TEXT COMPLETE FUNCTION---------------------------------------------------------------->//

function complete_text(sForm, sField, iKeyCode) {
	var objControl = eval("document."+sForm+"."+sField);
	
	if (objControl.value.length == 1) {
		switch (parseInt(iKeyCode)) {
			case 70:
				objControl.value = "ftp://"
				objControl.select()
				break;
			case 71:
				objControl.value = "gopher://"
				objControl.select()
				break;
			case 72:
				objControl.value = "http://"
				objControl.select()
				break;
			case 77:
				objControl.value = "mailto:"
				objControl.select()
				break;
			default:
				break;
		}
	}
}

//<--TEXTAREA MAXLENGHT FIX---------------------------------------------------------------->//

function max_length(sForm, sField, iLength) {
	var objControl = eval("document."+sForm+"."+sField);
	
	if (objControl.value.length > iLength) {
		objControl.value = objControl.value.substr(0, iLength);
	}
}

//<--Check Extension---------------------------------------------------------------->//

function check_ext(sForm, sField, sMsg) {
 var objControl = eval("document." + sForm + "." + sField);
 
 if (objControl.value != "") {
  if (objControl.value.search(/(\.jpg|\.jpeg|\.gif|\.tiff|\.tif|\.bmp|\.doc|\.xls|\.ppt|\.pdf|\.rtf|\.txt|\.zip|\.rar|\.swf)/gi) != -1) {
   return true;
  } else {
   ErrorMsg = ErrorMsg + "\n  -  " + sMsg;
  }
 } else {
  return true;
 }
}

// </script>