var param_doc_per_view = 5;
var npagine =0;
var name_div_nav_docs = "#col-left";


function gonav(param) {
	
	if (param=="first") {
		start = 1;
	}
	else if (param=="prev") {
		start = start - param_doc_per_view;
	}
	else if (param=="next") {
		start = start + param_doc_per_view;		
	}
	else if (param=="end") {
		start = (npagine - 1) * param_doc_per_view  + 1;
	}
	else {	
		start = (param - 1) * param_doc_per_view + 1 ;	
	}
	//alert("start>" + start);
	//openview(viewname,start);
	load_section(section,start,tag);
			
}
function refreshNavigationBar(countdocs) {
	npagine =  Math.ceil(countdocs/param_doc_per_view)
	
	var nav_first = "";
	var nav_prev = "";
	var nav_combo = "";
	var nav_next = "";
	var nav_end = "";
	
	if (start > 1) {
		nav_first = "<a href=\"#\" onclick=\"gonav('first')\">inizio</a>";
		nav_prev = "&nbsp;<a href=\"#\" onclick=\"gonav('prev')\">precedente</a>";
	}

	if (countdocs > param_doc_per_view)  {
		nav_combo = "&nbsp;<select name=\"pag\" onchange=\"gonav(this.value)\">" 
		for (i=1;i<=npagine;i=i+1) {
			if (Math.ceil(start/param_doc_per_view) == i) {
				nav_combo += "<option value=\""+ i + "\" selected>" + i;
			}
			else {
				nav_combo += "<option value=\""+ i + "\" >" + i;
			}
		}
 		nav_combo += "</select>";
 	}
	
	if (start <= (countdocs - param_doc_per_view)) {
		nav_next = "&nbsp;<a href=\"#\" onclick=\"gonav('next')\">successiva</a>";
		nav_end = "&nbsp;<a href=\"#\" onclick=\"gonav('end')\">fine</a>";
	}

	$(name_div_nav_docs).append("<br>" + nav_prev + " " + nav_next);
	showWaiting(false);
	//$(name_div_nav_docs).append("<br>" + nav_first + nav_prev + nav_combo + nav_next + nav_end);
	
}