/* cookies functions */

//return the value of name cookie or 0 if don't exist
function getCookie(name) {
	var cookies=document.cookie.split(";");
	var isthere=false;
	for(i in cookies)
	{
		if (cookies[i].indexOf(name+'=')==0 || cookies[i].indexOf(name+'=')==1)
		{
			if (cookies[i].indexOf(name+'=')==1) plus=2; else plus=1;
			return cookies[i].substr(name.length+plus,cookies[i].length);
			isthere=true;
		}
	}	
	if (!isthere) return 0;
}

//save cookie
//expire - number of DAYS
function saveCookie(name,value,expire) {
	//create new date
	var date=new Date();
	//count days of expiracy
	date.setTime(date.getTime()+expire*1000*60*60*24);
	
	var ex="; expires="+date.toGMTString();
	
	//save cookie
	document.cookie=name+"="+value+ex;
}