function sendSearchRequest() {
        sendRequest('/bitrix/templates/legion/include_areas/list.php?marka=' + document.getElementById('sel').value, 'data', getRequest);
        s2 = document.getElementById('sel3');
        document.getElementById('sel3').length = 0;
        var newS = document.createElement("OPTION");
        newS.text = "Βρε";
        newS.value = "Βρε";
        (s2.options.add) ? s2.options.add(newS) : s2.add(newS, null);

        s3 = document.getElementById('sel4');
        document.getElementById('sel4').length = 0;
        var newS = document.createElement("OPTION");
        newS.text = "Βρε";
        newS.value = "Βρε";
        (s3.options.add) ? s3.options.add(newS) : s3.add(newS, null);
      }

        function sendSearchRequest2() {
        sendRequest2('/bitrix/templates/legion/include_areas/list2.php?model=' + document.getElementById('sel2').value, 'data2', getRequest2);

        s4 = document.getElementById('sel4');
        document.getElementById('sel4').length = 0;
        var newS = document.createElement("OPTION");
        newS.text = "Βρε";
        newS.value = "Βρε";
        (s4.options.add) ? s4.options.add(newS) : s4.add(newS, null);
      }

        function sendSearchRequest3() {
        sendRequest3('/bitrix/templates/legion/include_areas/list3.php?model=' + document.getElementById('sel2').value + '&kuzov=' + document.getElementById('sel3').value, 'data3', getRequest3);
      }
	  var saveparam = function()
	  {
				if (document.getElementById('sel'))
				document.getElementById('sel_im').value=document.getElementById('sel').selectedIndex;
				if (document.getElementById('sel2'))
				document.getElementById('sel2_im').value=document.getElementById('sel2').selectedIndex;
				if (document.getElementById('sel3'))
				document.getElementById('sel3_im').value=document.getElementById('sel3').selectedIndex;
				if (document.getElementById('sel4'))
				document.getElementById('sel4_im').value=document.getElementById('sel4').selectedIndex;
				if (document.getElementById('sel5'))
				document.getElementById('sel5_im').value=document.getElementById('sel5').selectedIndex;
	  }