function createAjax()
{
	var xt;
	xt = window.XMLHttpRequest ? new XMLHttpRequest() : ( window.ActiveXObject ? new window.ActiveXObject('Microsoft.XMLHTTP') : null)

	return xt;
}

function jRequest(param)
{
	var jax = createAjax();if(!jax)return;
	jax.open("POST",'ajax.php')
	jax.setRequestHeader('Content-Type','application/x-www-form-urlencoded');
	jax.onreadystatechange = function() { if(jax.readyState==4)jaxResponse(jax); }
	jax.send(param);
}

function jaxResponse(jax)
{
	if(jax.responseText.indexOf('bien') + 1)alert("Subscribed successfully");
	else alert(strip_tags(jax.responseText))
	document.subform.email.value=''
}

function strip_tags(str)
{
	var re= /<\S[^><]*>/g
	str = str.replace(re, "")
	return str;
}

function trim(str, chars) {

    return ltrim(rtrim(str, chars), chars);
}

function ltrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}

function rtrim(str, chars) {
    chars = chars || "\\s";
    return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}

function trimall(str)
{
	if(!window.trim)return;	
	str = str.split(',')
	for(i in str)if(document.getElementById(str[i]))
	document.getElementById(str[i]).value = trim(document.getElementById(str[i]).value)
}

function isnPdfFile(filename)
{
//	filename = document.getElementById(filename).value
	if(filename=='')return true;
	if (!/(\.(pdf))$/i.test(filename))return true
	else return false;
}