var BeginningWhiteSpaceRegExp = /^\s+/;
var EndingWhiteSpaceRegExp = /\s+$/;

function Onlynums(evt){
   // 	alert(evt.keyCode);
   if (evt.keyCode == 8){
      evt.returnValue = true;
   }
   else if (evt.keyCode == 32){
      evt.returnValue = true;
   }
   else if((evt.keyCode == 37) || (evt.keyCode == 39)){
      evt.returnValue = true;
   }
   else if((evt.keyCode == 46) || (evt.keyCode == 36) || (evt.keyCode == 35)){
      evt.returnValue = true;
   }
   else if (evt.keyCode >= 48 && evt.keyCode <= 57){
      evt.returnValue = true;
   }
   else{
      evt.returnValue = false;
   }
   if (evt.keyCode == 9){
      evt.returnValue = true;
   }
}
function CheckValue(Required, WhichField, FieldType, DisplayName, ReqLength, Numeric) {
	var RegExp;
	var TestVal;
	var MatchChar;
	var ErrMsg = 'None';
		
	//Replace any whitespace at beginning and end of string with nothing	
	if (FieldType == 'Text' || FieldType == 'Alpha'  || FieldType == 'Date' || FieldType == 'Money' ||
		FieldType == 'MoneyWhole' || FieldType == 'Phone' || FieldType == 'Email' || FieldType == 'Password') {
		TestVal = WhichField.value.replace(BeginningWhiteSpaceRegExp,'');
		TestVal = TestVal.replace(EndingWhiteSpaceRegExp,'');
	} else { 
		if (WhichField.selectedIndex == -1 || WhichField.options[WhichField.selectedIndex].value == 0) {
			TestVal = '';
		} else {	
			TestVal = WhichField.options[WhichField.selectedIndex].text;
		}
	}
	if (TestVal == '' && Required == true) {
		ErrMsg = DisplayName + ' must be entered.';
	} 
	
	
	//If required check has been passed, continue with field type edits 
	if (ErrMsg == 'None' && TestVal != '') {	
		
		//Check required length 	
		if (ReqLength > 0) {
			if (TestVal.length != ReqLength) {
				ErrMsg = DisplayName + ' must be ' + ReqLength + ' characters.';
			}
		}  
	
		//For money, remove all commas and one decimal, then set to Numeric to force numeric check
		if (FieldType == 'Money') {
			RegExp = /,/g;
			TestVal = TestVal.replace(RegExp,'');
			RegExp = /\./;
			TestVal = TestVal.replace(RegExp,'');
			Numeric = true;
		}
		
		//For money whole dollars, remove all commas then set to Numeric to force numeric check
		if (FieldType == 'MoneyWhole') {
			RegExp = /,/g;
			TestVal = TestVal.replace(RegExp,'');
			Numeric = true;
		}


		//Numeric check - match on any non-numeric character. If found, return Error.
		if (Numeric == true) {
			RegExp = /\D/;
			MatchChar = TestVal.match(RegExp);
			if (MatchChar != null) {
				ErrMsg = DisplayName + ' must be numeric.';
			}
		}
	
		//Alpha check - match on any non A-Z character. If found, return Error.
		if (FieldType == 'Alpha') {
			RegExp = /[^A-Z]/;
			TestVal = TestVal.toUpperCase();
			MatchChar = TestVal.match(RegExp);
			if (MatchChar != null) {
				ErrMsg = DisplayName + ' must be alphabetic.';
			}
		}
	
		//Check for valid date
		if (FieldType == 'Date') {
			if (CheckDate(TestVal) == 'Error') {
				ErrMsg = DisplayName + ' must be a valid date in mm/dd/yy format.';
			}
		}
		
		//Check for valid Phone
		if (FieldType == 'Phone') {
			var c;
			var numLth=0;
			for(i=0;i<TestVal.length;i++) {
			    c=TestVal.charAt(i);
			    //Allow left bracket in 1st position only, and only if right bracked entered too, ie. (617)
			    if (c == '(') { 
					if (i==0 && TestVal.charAt(4) == ')') {
						continue;
					} else {
						ErrMsg = DisplayName + ' contains invalid brackets.';
						break;
					}
				} 
				
			    //Allow right bracket in 5th position only ie. (617)
			    if (c == ')') {	
					if (i==4) {
						continue;
					} else {
						ErrMsg = DisplayName + ' contains invalid brackets.';
						break;
					}
				}
			    
			    if (c == ' ') {
					//Allow space only after area code right bracket
					if (i==5 && TestVal.charAt(4) == ')') {
						 continue; 
					} else {   
					   ErrMsg = 'Embedded spaces are not allowed in ' + DisplayName + '.\nUse hyphen, period, or comma to seperate numbers.';
					   break;
					}
			    }
			    
			    //Comma, hyphen or period allowed
			    if (c==',' || c=='-' || c==".") {
					continue;
				} else {
					if (isNaN(c)) {  
						ErrMsg = DisplayName + ' cannot have non-numeric digits.'; 
					    break;
					} else {
						numLth = numLth + 1;
					}
				}
			}
			
		}		
	
		//Check for valid email address
		if (FieldType == 'Email') {
			var no=0;
			var c;
    
			for(i=0;i<TestVal.length;i++) {
				c=TestVal.charAt(i);
			    if(i==0) { 
			        /*if(!isNaN(c)) {
						no=2;  
					}*/
				}
			    if(c==' ') no=2;
			    if(c =='@')  no++;
			}

			if(no!=1 || TestVal.indexOf('@')<2) {
				ErrMsg = TestVal + ' is not a valid E-mail Address.';
			}
				   
			if (TestVal.indexOf('.')<1) {
				ErrMsg = TestVal + ' is not a valid E-mail Address.';
			}
			
			if ((TestVal.length-TestVal.lastIndexOf('.'))<3) {
				ErrMsg = TestVal + ' is not a valid E-mail Address.';
			}	
		}
	}
	
	if (ErrMsg == 'None') {
		return('OK');
	} else {
		if (FieldType == 'List') {
			WhichField.selectedIndex = 0;
		}
		WhichField.focus();
		alert(ErrMsg);
		return('Error');
	} 
}

	
function trimSpaces(WhichField) {
	
	var TestVal;
	
	//Replace any whitespace at beginning and end of string with nothing	
	TestVal = WhichField.value.replace(BeginningWhiteSpaceRegExp,'');
	TestVal = TestVal.replace(EndingWhiteSpaceRegExp,'');
	
	return(TestVal);
}

function CheckDate(WhichDate) {
	
	var SplitStr;
	var SplitDate;
	var NumSplits;
	
	//Check for date separator either / or -
	SplitStr = WhichDate.indexOf("/");
	if (SplitStr == -1) {
		SplitStr = "-";
	} else {
		SplitStr = "/";
	}
	
	//Split by separator into mm dd yy
	SplitDate = WhichDate.split(SplitStr);
	NumSplits = SplitDate.length;
	if (NumSplits != 3) {
		return('Error');
	} else {
		mm = SplitDate[0];
		dd = SplitDate[1];
		yy = SplitDate[2];
	}
	
	if (yy.length != 2) {
		if(yy.length!=4){
			return('Error');
		}else{
			if (isNaN(yy) || yy<0  || yy>2100) return('Error');
		}
	}else{
		if (isNaN(yy) || yy<0  || yy>99) return('Error');
	}
			
	//basic error checking - check for number and proper range
	if (isNaN(mm) || mm<1  || mm>12) return('Error');
	if (isNaN(dd) || dd<1  || dd>31) return('Error');
	

	
	//advanced error checking

	// months with 30 days
	if (mm==4 || mm==6 || mm==9 || mm==11) {
		if (dd==31) return('Error');

	}

	// february, leap year
	if (mm==2) {
		if (dd>29) 	return('Error');

		if (dd==29) {
			if ((yy % 4 == 0 && yy % 100 != 0) || yy % 400 == 0) {
				return('OK');
			} else {
				return('Error');
			}
		}
	}
	return('OK');
}

function getMMDDCCYY(DateMMDDYY) {
	var Date1;
	var dd;
	var mm;
	var yr;
	Date1 = new Date(DateMMDDYY);
	dd = Date1.getDate();
	mm = Date1.getMonth();
	yr = Date1.getYear();
	if (yr > 0 && yr < 50) {
		yr = yr + 2000;
	}
	return (new Date(yr,mm,dd));
}

function CheckForChange(Field1, Field2, CaseSensitive) {
	
	//If booleans passed convert to character
	if (Field1 == true) {
		Field1 = 'T';
	} else {
		if (Field1 == false) {
			Field1 = 'F';
		}
	}
	
	if (Field2 == true) {
		Field2 = 'T';
	} else {
		if (Field2 == false) {
			Field2 = 'F';
		}
	}
		
	//Replace any whitespace at beginning and end of strings with nothing
	Field1 = Field1.replace(BeginningWhiteSpaceRegExp,'');
	Field1 = Field1.replace(EndingWhiteSpaceRegExp,'');
	
	Field2 = Field2.replace(BeginningWhiteSpaceRegExp,'');
	Field2 = Field2.replace(EndingWhiteSpaceRegExp,'');

	//Convert both to uppercase before comparison
	if (CaseSensitive == false) {
		Field1 = Field1.toUpperCase();
		Field2 = Field2.toUpperCase();
	}
		
	if (Field1 == Field2) {
		return(false);
	} else {
		return(true);	
	}
}

function isBlank(WhichField) {
	
	var TestVal;
	
	if (WhichField.type == "select-one" ) {	 
		if (WhichField.selectedIndex == -1 || WhichField.options[WhichField.selectedIndex].value == 0) {
			TestVal = '';
		} else {	
			TestVal = WhichField.options[WhichField.selectedIndex].text;
		}
	} else {
		if (WhichField.type == "checkbox") {
			if (WhichField.checked == false) {
				TestVal = '';
			} else {
				TestVal = 'on';
			}
		} else {
			TestVal = WhichField.value;
		}
	}
	
	//Replace any whitespace at beginning and end of string with nothing	
	TestVal = TestVal.replace(BeginningWhiteSpaceRegExp,'');
	TestVal = TestVal.replace(EndingWhiteSpaceRegExp,'');

	if (TestVal == '') {
		return(true);
	} else {
		return(false);	
	} 
}

function SelectAll(whichSel) {
	var lngSel = whichSel.options.length;
	for (i = 0; i < lngSel; i++)  
	{
		whichSel.options[i].selected = true;	
	}
}

function convertToEnglish(){
	var u = gup( 'u' );	
	if(u!=''){
		if (window.top !== u) {window.top.location = u;}
	}
}

function gup( name ){
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}