My Little Scripts - javascript-get-variables.js

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JAVASCRIPT-GET-VARIABLES.JS

var 1
var
var 2
var
var 3

= ( );

This function allows you to read form variables from static HTML. Combined with the document.write() method, you can actually add dynamic content to regular HTML. Given a choice, server side processing of form variables is preferable.

see also : form-handler.php, form-handler.asp, params.php, params.asp
select-populator.php, select-populator.asp, select-value-set.js
javascript-cookies.js, javascript-get-variables.js

function getVar(name)
         {
         get_string = document.location.search;         
         return_value = '';
         
         do { //This loop is made to catch all instances of any get variable.
            name_index = get_string.indexOf(name + '=');
            
            if(name_index != -1)
              {
              get_string = get_string.substr(name_index + name.length + 1, get_string.length - name_index);
              
              end_of_value = get_string.indexOf('&');
              if(end_of_value != -1)                
                value = get_string.substr(0, end_of_value);                
              else                
                value = get_string;                
                
              if(return_value == '' || value == '')
                 return_value += value;
              else
                 return_value += ', ' + value;
              }
            } while(name_index != -1)
            
         //Restores all the blank spaces.
         space = return_value.indexOf('+');
         while(space != -1)
              { 
              return_value = return_value.substr(0, space) + ' ' + 
              return_value.substr(space + 1, return_value.length);
							 
              space = return_value.indexOf('+');
              }
          
         return(return_value);        
         }