function setCookie(c_name, value, expiredays)
{
    var dtmData = new Date();

    if(expiredays)
    {
        dtmData.setTime(dtmData.getTime() + (expiredays * 8 * 60 * 60 * 1000));
        var strExpires = "; expires=" + dtmData.toGMTString();
    }
    else
    {
        var strExpires = "";
    }
    document.cookie = c_name + "=" + value + strExpires + "; path=/";
}


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 "";
}

/*
* Delete_Cookie('cookie name', '/', '')
**/
function deleteCookie( name, path, domain ) {
	var d = new Date();
	if ( getCookie( name ) ) document.cookie = name + "=0" +
	( ( path ) ? ";path=" + path : "/") +
	( ( domain ) ? ";domain=" + domain : "" ) +
	";expires="+ d.toGMTString() +";"+";";
}