/*******************************************************************************
Program Name          :   inc_javascript.js
Purpose                   :   Client side form validation
Author                    :   MB.Ashokkumar   
Date of Creation         :    10/07/2003
Last Modifier            :   MB.Ashokkumar
Last Modified Date       :   31/07/2003 
Called By                :   All displayfiles
Calls                       :   NA
Parameters Received    :   NA
Tables Used             :   NA
********************************************************************************/

/*
Function Name      :   getFocus
Purpose               :   for Locating the cursor position in Form Loading time.
Parameter received   :   sFrmName,sFiledName
Return Value         :   boolean
*/
function getfocus(sFrmName, sFiledName)
{
   var temp = sFrmName + "." + sFiledName +  "." + "focus();";
   eval(temp);   
}

/*
Function Name      :   checkEmptiness
Purpose            :   For checking emptiness of given value 
Parameter received   :   val
Return Value      :   Boolean
*/
function checkEmptiness(val)
{
   RegExp1 = /^[\s]+$/g 
   RegExp2 = /^$/g
   if (RegExp1.test(val) || RegExp2.test(val))
   {
      return true;
   }
   return false;
}

/*
Function Name      :   validateSpace
Purpose            :   To check the space in the field values.
Parameter received   :   sValue
Return Value      :   boolean
*/
function validateSpace(sValue)
{
   var iCount=0;
   for(;iCount<sValue.length;iCount++)
   {
      if(sValue.charAt(iCount)==' ')
         return false;
   }
   return true;
}

/*
Function Name      :   trimvalue
Purpose            :   Removes leading and trailing spaces.
Parameter received   :   strValue
Return Value      :   boolean
*/
function trimvalue( strValue )
{
 var objRegExp = /^(\s*)$/;

    //check for all spaces
    if(objRegExp.test(strValue))
   {
       strValue = strValue.replace(objRegExp, '');
       if( strValue.length == 0)
          return strValue;
    }
    
   //check for leading & trailing spaces
   objRegExp = /^(\s*)([\W\w]*)(\b\s*$)/;
   if(objRegExp.test(strValue)) {
       //remove leading and trailing whitespace characters
       strValue = strValue.replace(objRegExp,'$2');
    }
  return strValue;
}

/*
Function Name      :   validateSplChar
Purpose            :   To check for special characters at input field.
Parameter received   :   sFrmName, sFieldName
Return Value      :   boolean
*/
function validateAlphaNumeric(sValue)
{
   var sAlphaNumeric = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
   for(var iTemp=0;iTemp<sValue.length;iTemp++)
   {
      if(sAlphaNumeric.indexOf(sValue.charAt(iTemp)) == -1 && sValue.charAt(iTemp)!=' ')
         return false;
   }
   return true;
}   

/*
Function Name      :   validateAlphabet
Purpose            :   To check for special characters at input field.
Parameter received   :   sFrmName, sFieldName
Return Value      :   boolean
*/
function validateAlphabet(sValue)
{
   var sAlphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
   for(var iTemp=0;iTemp<sValue.length;iTemp++)
   {
      if(sAlphabet.indexOf(sValue.charAt(iTemp))==-1 && sValue.charAt(iTemp)!=' ')
         return false;
   }
   return true;
}   

function validateNumeric(sValue)
{
   var sAlphabet = "0123456789.";
   for(var iTemp=0;iTemp<sValue.length;iTemp++)
   {
      if(sAlphabet.indexOf(sValue.charAt(iTemp))==-1 && sValue.charAt(iTemp)!=' ')
         return false;
   }
   return true;
}

/*
Function Name       : validateEMail
Purpose             : To check the email address format is valid or not
Parameters received : sValue
Return Value        : boolean
*/
function validateEMail(sValue){
     var sAlphaNumeric = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_-@.";
     for(var iTemp=0;iTemp<sValue.length;iTemp++){
          if(sAlphaNumeric.indexOf(sValue.charAt(iTemp)) == -1)
               return false;
     }
     if(sValue.indexOf('@') == -1 || sValue.indexOf('.') == -1 ){
          return false;
     }
     if(sValue.indexOf('@') == 0 || sValue.indexOf('.') == 0 ){
          return false;
     }
     return true;
}

/*
Function Name      :   displayMessage
Purpose            :   To display error message through alert box.
Parameter received   :   frmObject, sMessage, sErrorType
Return Value      :   NA
*/
function displayMessage(sFrmObject, sErrorMessage)
{
   alert(sErrorMessage);
   eval(sFrmObject+".focus()");
   eval(sFrmObject+".select()");
}


/* script ends */