function createRequestObject() {
    var ro;
    var browser = navigator.appName;
    if(browser == "Microsoft Internet Explorer"){
        ro = new ActiveXObject("Microsoft.XMLHTTP");
    }else{
        ro = new XMLHttpRequest();
    }
    return ro;
}

var http = createRequestObject();

function sndReq(terms,target,se) {
	document.seo.check.value="Fetching... please wait";
	document.seo.check.disabled=true;

	http.open('post', 'server1.php?terms='+terms+'&target='+target+'&se='+se);
    http.onreadystatechange = handleResponse;
    http.send(null);
}

function handleResponse() {
    if(http.readyState == 4){
        var response = http.responseText;
		document.getElementById('results').innerHTML = response;
		document.seo.check.value="Get Rankings";
		document.seo.check.disabled=false;
        }
    }

function send()
{
var val='';
	if(document.seo.inter.checked){
		val+= document.seo.inter.value+'|';
	}
	if(document.seo.uk.checked){
		val+= document.seo.uk.value;
	}

sndReq(document.seo.terms.value,document.seo.target.value,val);
return false;
}