var f_count =0;
var i_download =0;
var files_list;
var curpage = new Array();

function startDownload() {
    cur_id = files_list[i_download];
    //window.open('download.php?fileid='+cur_id, '_blank');
    window.location.assign('download.php?fileid='+cur_id);
    i_download++;
    if (i_download<f_count) 
       setTimeout("startDownload()", 2500);
}    

function multiDownloads(files_id) {
  eval("files_list =new Array("+files_id+")");
  f_count = files_list.length;
  i_download =0;
  startDownload();
}

function showDocPage(panel_num, page_num, max_pages, docs_x_pages) {
	if (curpage[panel_num]==undefined) curpage[panel_num] =1;
	document.getElementById("nav_"+panel_num+"_"+curpage[panel_num]).style.fontWeight = "normal";
	
	curpage[panel_num] = page_num;
	if (page_num==max_pages) {
		document.getElementById("nav_"+panel_num+"_last").src ="img/ico/last_red_bn.gif";
		document.getElementById("nav_"+panel_num+"_next").src ="img/ico/next_red_bn.gif";
		document.getElementById("nav_"+panel_num+"_first").src ="img/ico/first_red.gif";
		document.getElementById("nav_"+panel_num+"_prev").src ="img/ico/prev_red.gif";		
	}
	else if (page_num==1) {
		document.getElementById("nav_"+panel_num+"_last").src ="img/ico/last_red.gif";
		document.getElementById("nav_"+panel_num+"_next").src ="img/ico/next_red.gif";
		document.getElementById("nav_"+panel_num+"_first").src ="img/ico/first_red_bn.gif";
		document.getElementById("nav_"+panel_num+"_prev").src ="img/ico/prev_red_bn.gif";
	}
	else {
		document.getElementById("nav_"+panel_num+"_last").src ="img/ico/last_red.gif";
		document.getElementById("nav_"+panel_num+"_next").src ="img/ico/next_red.gif";
		document.getElementById("nav_"+panel_num+"_first").src ="img/ico/first_red.gif";
		document.getElementById("nav_"+panel_num+"_prev").src ="img/ico/prev_red.gif";		
	}
	document.getElementById("nav_"+panel_num+"_"+page_num).style.fontWeight = "bold";
	
	doc_prefix = "doc_"+panel_num+"_";
	doc_f = (page_num-1)*docs_x_pages+1;
	doc_e = doc_f+docs_x_pages;
	doc_num = 1;
	curDoc=document.getElementById(doc_prefix+doc_num);
	do
	{
		curDoc=document.getElementById(doc_prefix+doc_num);
		if (curDoc) {
			if ((doc_num>=doc_f) && (doc_num<doc_e))
			  	curDoc.style.display ='';
			else curDoc.style.display ='none';
			doc_num++;
		}
		else break;
	} while (true);	
} 

function showNextDocPage(panel_num, max_pages, docs_x_pages) {
	if (curpage[panel_num]==undefined) curpage[panel_num] =1;
	if (curpage[panel_num]<max_pages) {
		document.getElementById("nav_"+panel_num+"_"+curpage[panel_num]).style.fontWeight = "normal";
		curpage[panel_num]++;
		showDocPage(panel_num, curpage[panel_num], max_pages, docs_x_pages);
	}
}

function showPrevDocPage(panel_num, max_pages, docs_x_pages) {
	if (curpage[panel_num]==undefined) curpage[panel_num] =1;
	if (curpage[panel_num]>1) {
		document.getElementById("nav_"+panel_num+"_"+curpage[panel_num]).style.fontWeight = "normal";
		curpage[panel_num]--;	
		showDocPage(panel_num, curpage[panel_num], max_pages, docs_x_pages);
	}
}