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

function getCookie(c_name){
	if (navigator.cookieEnabled == true) {
		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 deleteCookie(c_name){
	if (navigator.cookieEnabled == true) {
		document.cookie = c_name+"=0;expires=Fri, 02-Jan-1970 00:00:00 GMT;";
	}
	return true;
}