function setCookie(name, value, path, expires , domain, secure) {
	var curCookie = name + '=' + escape(value) +
		((expires) ? '; expires=' + expires.toGMTString() : '') +
		((path) ? '; path=' + path : '') +
		((domain) ? '; domain=' + domain : '') +
		((secure) ? '; secure' : '');
	document.cookie = curCookie;
}

function getCookie(name) 
{
	var dc = document.cookie;	  
	var prefix = name + '=';
	var begin = dc.indexOf('; ' + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	} else
		begin += 2;
	var end = document.cookie.indexOf(';', begin);
	if (end == -1)
		end = dc.length;
	return unescape(dc.substring(begin + prefix.length, end));
}

function checkCookie(name)
{
	return(document.cookie.indexOf(name)==-1)?false:true;
}
function deleteCookie( cookiename,elementname, path, domain ) {
	var dc =getCookie( cookiename );
	if (dc != null)
	{
		var dcArray = dc.split(",");
		removeElement(dcArray,elementname);
		dc = dcArray.join(",");
		setCookie(cookiename,dc,"/");
	}
}
function removeElement(arr, val) 
{
	var temp = new Array();
	for(var i=0; i<arr.length; i++) {
		if (arr[i] != val) temp[temp.length] = arr[i];
	}
	arr.length = 0;
	for(var i=0; i<temp.length; i++) {
		arr[arr.length] = temp[i];
	}
}