function makeRequest() 
{ var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
            http_request = new XMLHttpRequest();
            if (http_request.overrideMimeType) {
                http_request.overrideMimeType('text/xml');
				
                
            }
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }

        if (!http_request) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }
		
		var company=document.myform.company;
		var s=company.options[company.selectedIndex].value;
		
		http_request.onreadystatechange = function() { alertContents(http_request); };
        http_request.open('GET', "check1.php?selected_val=" + s, true);
		
        http_request.send(null);

}

function makeRequest1() 
{
	
 var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		 http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         http_request.overrideMimeType('text/xml');
		
		}
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
				
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }


        if (!http_request) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }
		var model=document.form1.model;
		
		var s=model.options[model.selectedIndex].value;
		
		http_request.onreadystatechange = function() { alertContents1(http_request); };
        http_request.open('GET', "check3.php?selected_val2=" + s, true);
		
        http_request.send(null);

    }
	
	function makeRequest3() 
{
	
 var http_request = false;
	if (window.XMLHttpRequest) { // Mozilla, Safari, ...
		 http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         http_request.overrideMimeType('text/xml');
		
		}
        } else if (window.ActiveXObject) { // IE
            try {
                http_request = new ActiveXObject("Msxml2.XMLHTTP");
				
            } catch (e) {
                try {
                    http_request = new ActiveXObject("Microsoft.XMLHTTP");
                } catch (e) {}
            }
        }


        if (!http_request) {
            alert('Giving up :( Cannot create an XMLHTTP instance');
            return false;
        }
		var ser=document.seriesfrm.ser;
	
		var seri=ser.options[ser.selectedIndex].value;
		
		//http_request.onreadystatechange = function() { alertContents3(http_request); };
        http_request.open('GET', "check4.php?selected_val3=" + seri, true);
		
        http_request.send(null);

    }
	
	
function makeRequest4(i) {
document.testfrm.chk_val.value=i;	

}

	
	function alertContents3(http_request) {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
			document.getElementById("divMessage3").innerHTML =http_request.responseText;
			
                //alert(http_request.responseText);
            } else {
                alert('There was a problem with the request.');
            }
        }

    }

    function alertContents(http_request) {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
			document.getElementById("divMessage").innerHTML =http_request.responseText;
			
                //alert(http_request.responseText);
            } else {
                alert('There was a problem with the request.');
            }
        }

    }
	 function alertContents1(http_request) {

        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
			document.getElementById("divMessage1").innerHTML =http_request.responseText;
                //alert(http_request.responseText);
            } else {
                alert('There was a problem with the request.');
            }
        }

    }
	
	function test()
	{
		document.testfrm.action="search_result.php";
		document.testfrm.submit();
	}
	
	function btnsearch()
	{
		document.testfrm.action="search_result.php";
		document.testfrm.submit();
	}