var validZip = true;

function doSearch()
{
    var zip = document.getElementById('zip');
    var length = zip.value.length;
    
    if (length != 5)
    {
        validZip = false;
        alert("Please enter a 5 digit zip code");
        return false;
    }
	validZip = true;
	var url = "http://assurant.go2dental.com/member/dental_search/prtcnt.cgi?network_number=41&zip="+zip.value+"&miles=20";
    var script = document.createElement('script');
    script.type = 'text/javascript';
    script.charset = 'utf-8';
    script.src = url;
    document.getElementsByTagName('head')[0].appendChild(script);

    var resultDivs = getElementsById('results');
    for (i = 0; i < resultDivs.length; i++)
    {
        resultDivs[i].innerHTML = 'searching...';                
    }
	document.getElementById('wrapper1').style.display='block';
	document.getElementById('wrapper2').style.display='none';
	
	var flipdiv1 = getElementsById('wrapper1');
    var flipdiv2 = getElementsById('wrapper2');
	for (i = 0; i < flipdiv1.length; i++)
		{
			flipdiv1[i].style.display='block';
			flipdiv2[i].style.display='none';
	}

    resultDiv = document.getElementById('results'); 
    resultDiv.innerHTML = 'searching...';
    return true;
}

function displayResult(result)
{
    setTimeout('renderResult('+result.ResultSet.TotalProviders+')', 1000);
    setTimeout('searchagain('+result.ResultSet.TotalProviders+')', 2000);
}

function renderResult(numProviders)
{
	if (numProviders==0) {
		noproviders();
		}
	else {
    var resultDivs = getElementsById('results');
    for (i = 0; i < resultDivs.length; i++)
        resultDivs[i].innerHTML = numProviders;                
	    resultDiv = document.getElementById('results'); 
	    resultDiv.innerHTML = numProviders;
	}
}
function searchagain(numProviders) {
    var flipdiv1 = getElementsById('wrapper1');
    var flipdiv2 = getElementsById('wrapper2');
	for (i = 0; i < flipdiv1.length; i++)
		{
		if (numProviders == 0) {
			flipdiv1[i].style.display='none';
			flipdiv2[i].style.display='block';
		        }
	    else {
			flipdiv1[i].style.display='block';
			flipdiv2[i].style.display='none';
		}
	}
}

function noproviders() {
    var flipdiv1 = getElementsById('wrapper1');
    var flipdiv2 = getElementsById('wrapper2');
			flipdiv1[i].style.display='none';
			flipdiv2[i].style.display='block';
	}