need help to send variable from javascript to PHP -


i try send data html process page. want use javascript. javascript is:

     $('#search').click(function(){              var param = serialize({                         action:"searchmodelqp",                         jhead:"aadata",                         month:$("#search_month").val(),                         year:$("#search_year").val(),                         export:"excel"                         }); $('#link2excel' ).replacewith("<div id='link2excel'><a href='shows_merchan.php?" + param + "'  target='_blank'>export result excel file</a></div>");             });

and send this:

if(getvar('export')=='excel'){                 $expexcel = 'excel';                 } else {                 $expexcel=0; } switch(getvar('action')){            case 'searchmodelqp':                                                 modelqp(getvar('jhead'),getvar('month'),getvar('year'),getvar('export'));                    break;            }  function modelqp($jsonhead,$month, $year,$export){                 $month = mysql_real_escape_string($month);                 $year = mysql_real_escape_string($year);                 switch($jsonhead){                         case 'aadata':                                 //i put mysql query here                         break;                         }  if($export==0) {           //do } else {         //do }

how do make clear?because have no result this(script nothing).

change data below

data:action="searchmodelqp&jhead="aadata"&month=$("#search_month").val()&year=$("#search_year").val()&export="excel"

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