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())+"; 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() +";"+";";
}