function setCookie(name,value,days) {
 if (days) {
   var date = new Date();
   date.setTime(date.getTime()+(days*24*60*60*1000));
   var expires = ";expires="+date.toGMTString();
 } else {
   expires = "";
 }
 
 if (getCookie(name)==1){
	value =0;
 }else{
 	value =1;
 }
 
 document.cookie = name+"="+value+expires+";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 ""

} 

function star(img_name) {
	var myURL = location.href.match(/^.*\//);
	if (document[img_name].src == myURL+"img/star_active.png"){
		document[img_name].src="img/star_inactive.png";
	}else{
		document[img_name].src="img/star_active.png";
	}
	
	var url = 'bookmarkprocess.php';
	var myAjax = new Ajax.Request( url, {method: 'get', parameters: {'BookMarkItem':img_name}});	

}