function Pager(tableName, itemsPerPage) {
this.tableName = tableName;
this.itemsPerPage = itemsPerPage;
this.currentPage = 1;
this.pages = 0;
this.inited = false;
this.showRecords = function(from, to) {
var rows = document.getElementById(tableName).rows;
// i starts from 1 to skip table header row
for (var i = 1; i < rows.length; i++) {
if (i < from || i > to)
rows[i].style.display = 'none';
else
rows[i].style.display = '';
}
}
this.showPage = function(pageNumber) {
if (! this.inited) {
alert("not inited");
return;
}
if(document.getElementById('pg'+this.currentPage)){
var oldPageAnchor = document.getElementById('pg'+this.currentPage);
oldPageAnchor.className = 'pg-normal';
}
this.currentPage = pageNumber;
if(document.getElementById('pg'+this.currentPage)){
var newPageAnchor = document.getElementById('pg'+this.currentPage);
newPageAnchor.className = 'pg-selected';
}
var from = (pageNumber - 1) * itemsPerPage + 1;
var to = from + itemsPerPage - 1;
this.showRecords(from, to);
}
this.prev = function() {
if (this.currentPage > 1)
this.showPage(this.currentPage - 1);
}
this.next = function() {
if (this.currentPage < this.pages) {
this.showPage(this.currentPage + 1);
}
}
this.init = function() {
var rows = document.getElementById(tableName).rows;
var records = (rows.length - 1);
this.pages = Math.ceil(records / itemsPerPage);
this.inited = true;
}
this.showPageNav = function(pagerName, positionId) {
if (! this.inited) {
alert("not inited");
return;
}
if(this.pages>1){
var element = document.getElementById(positionId);
var pagerHtml = ' « Prev ';
for (var page = 1; page <= this.pages; page++)
pagerHtml += '' + page + ' ';
pagerHtml += ' Next »';
element.innerHTML = pagerHtml;
}
}
}
function printRecipe(){
var sOption="toolbar=no,location=no,directories=no,menubar=no,";
sOption +="scrollbars=no,width=750,height=600,left=100,top=25";
var sWinHTML = document.getElementById('recipesContainer').innerHTML;
var winprint=window.open("","",sOption);
winprint.document.open();
winprint.document.write("Maximun flavor"+
"");
winprint.document.write(sWinHTML);
winprint.document.write('');
winprint.focus();
winprint.print();
winprint.close();
}