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 setCookie(c_name,value)
{
	var exdate = new Date();
	exdate.setTime(exdate.getTime() + 1000 * 60 * 60 * 2) //expire in 2hours
	document.cookie=c_name+ "=" +escape(value)+ "; expires="+exdate;
}