var isIE = false;
var browserVersion = "";
var app = navigator.appVersion;	

if (app.indexOf("MSIE 6.0")>0)
{
	isIE = true;
	browserVersion = "IE";
}
if(app.indexOf("MSIE 7.0")>0)
{
	isIE = false;
	browserVersion = "IE7";
}
if(app.indexOf("MSIE 8.0")>0)
{
	isIE = false;
	browserVersion = "IE8";
}
if(app.indexOf("MSIE 7.0")==-1 && app.indexOf("MSIE 6.0")==-1 && app.indexOf("MSIE 8.0")==-1)
{
	isIE = false;
	browserVersion = "MOZILLA";
}
			
//alert(browserVersion)
			
function addSelectOption(element, option_value , option_text, is_selected)
{
	var oOption = document.createElement("OPTION");
	oOption.value = option_value;
	//alert (browserVersion)
	if(browserVersion == "IE" || browserVersion == "IE7" || browserVersion == "IE8")
		oOption.innerText = option_text;
	if(browserVersion == "MOZILLA")
		oOption.text = option_text;
	if(is_selected)
		oOption.selected = true;
	element.appendChild(oOption);
}

function region_done()
{
 document.getElementById('select_region').style.display='none'; 
 document.getElementById('done_span').style.display='none';
}
			
function rebuild_regions_list()
{
	var element = document.getElementById('regions_list');
	while(element.hasChildNodes() == true)
	{
		element.removeChild(element.childNodes[0]);
	}
		
	for(i=0;i<=region_names.length-1;i++)
	{
		addSelectOption(element,region_pks[i],region_names[i],false);
	}
}

function ajax_fetch_regions (region_pk) 
{
		// Create new JS element
		var jsel = document.createElement('SCRIPT');
        jsel.type = 'text/javascript';
        jsel.src = "update_regions_js.php?region_pk="+region_pk;
		
//alert (jsel.src);		
        // Append JS element (therefore executing the 'AJAX' call)
        document.body.appendChild (jsel);
		
}