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

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}




function setSim(pid) {
	var name = pid;
	var itemId = pid;	
	createCookie(name,itemId,0);
	
}

function getSim(pid) {
	var name = pid;
	var readItem = readCookie(name);
	//alert (pid);
	//alert (readItem); есил кука есть она равна числу, если нет равно null
	if (readItem){
		document.getElementById('zaglushka').style.display='none';
		document.getElementById('simcontent').style.display='block';
	} else {
		//alert("!");
		document.getElementById('zaglushka').style.display='block';
	}
	
}