var item_win = '';
var guru_win = '';
var myPopup = '';

function openPopup(url,windowname) {
    myPopup = window.open(url,windowname,'width=800,height=700,resizable=1,scrollbars=1');
    if (!myPopup.opener)
         myPopup.opener = self; 
    myPopup.focus();
    return false;
}

function open_guru(url,windowname) {
    guru_win = window.open(url,windowname,'width=800,height=800,top=100,left=200,resizable=1,scrollbars=1');
    if (!guru_win.opener)
         guru_win.opener = self; 
    guru_win.focus();
    return false;
}




function open_item(url,windowname) {
    item_win = window.open(url,windowname,'width=800,height=700,top=100,left=400,resizable=1,scrollbars=1');
    if (!item_win.opener)
         item_win.opener = self; 
    item_win.focus();
    return false;
}



var affili = '';

function openaffili(url) {
    affili = window.open(url,'affil','width=740,height=650,top=100,resizable=1,scrollbars=1');
    if (!affili.opener)
         affili.opener = self; 
    affili.focus();
    return false;
}

var intro = '';

function open_intro(url) {
    intro = window.open(url,'intro','width=800,height=600,top=100 left = 300,resizable=1,scrollbars=1');
    if (!intro.opener)
         intro.opener = self; 
    intro.focus();
    return false;
}

function open_window(url,wd,ht) {
	var width  = wd;
	var height = ht;
	var left   = (screen.width  - width)/2;
	var top    = (screen.height - height)/2;
	var params = 'width='+width+', height='+height;
	params += ', top='+top+', left='+left;
	 params += ', directories=no';
	 params += ', location=no';
	 params += ', menubar=no';
	 params += ', resizable=yes';
	 params += ', scrollbars=yes';
	 params += ', status=no';
	 params += ', toolbar=no';
	 
    add_item = window.open(url,'add_item',params);
    if (!add_item.opener)
         add_item.opener = self; 
    add_item.focus();
    return false;
}