function getCook(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = "";
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return setStr;
}

function setCook(name,val){
var exdate=new Date();
exdate.setDate(exdate.getDate()+1)
//document.cookie=name + "=" + escape(val) + ";expires="+exdate.toGMTString();
document.cookie=name + "=" + escape(val);
}


function make_cr(){
	//alert(document.referrer.substring(7,19));
	//alert(document.referrer.substring(7,15));
	var cr=document.getElementById('cr');
	if(document.referrer.substring(7,19)=="www.siter.ru" || document.referrer.substring(7,15)=="siter.ru" || document.referrer.substring(7,12)=="siter" || getCook("siter")==1){
		setCook("siter",1);
		cr.innerHTML="<a href='http://www.siter.ru' class='siter'>Cоздание сайта: SITER.RU</a>&nbsp;&nbsp;&nbsp; ";		
	}	
	cr.style.display="block";
}

make_cr();