function changeWorks(num){
	//alert(num);
	now = num+20;
	var hash = location.hash;
	var str="";
	for(var i=1;i<worksCount+1;i++){
		if(i == now){
			str+="&nbsp;●";
		}else{
			str+="<a href=#"+i+"  class='cross-link'>&nbsp;●</a>";
		}
	}
	//onClick='javascript:changeWorks("+i+")'
	document.getElementById("categoryWorksNav").innerHTML = str;
}