function setCookie(c_name,value,expiredays)
{
	var exdate = new Date();
	exdate.setDate(exdate.getDate()+expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays==null) ? "" : ";expires=" + exdate.toGMTString());
}

function getCookie(c_name)
{
	if (document.cookie.length>0)
	{
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1)
		{
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1)
				c_end=document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function checkCookie()
{
	testcook=getCookie('testcook');
	if (testcook!=null && testcook!="")
	{
		/*alert('Welcome again '+username+'!');*/
	}
	else
	{
		alert("You must enable cookies in order to use this application.");
		/*
		username=prompt('Please enter your name:',"");
		if (username!=null && username!="")
		{
			setCookie('username',username,365);
		}
		*/
	}
}