window.name = "main";

function shippingnews(name){
    window.open("http://maritimetradeshow.com/shippingnews.html","ship","width=450,height=370,directories=no,toolbar=no,resizable=no,menubar=no,scrollbars=yes");
    }
function yachtnews(name){
    window.open("http://maritimetradeshow.com/yachtingnews.html","yacht","width=450,height=370,directories=no,toolbar=no,resizable=no,menubar=no,scrollbars=yes");
    }
function sitelink(name){
    window.open("http://maritimetradeshow.com/mtsbanner.html","mtslink","width=525,height=225,directories=no,toolbar=no,resizable=yes,menubar=no,scrollbars=no");
    }
function helpimageurl(name){
    window.open("http://maritimetradeshow.com/helpimageurl.html","help","width=250,height=270,directories=no,toolbar=no,resizable=yes,menubar=no,scrollbars=no");
    }

function email(name){
        var popurl = 'http://maritimetradeshow.com/email.html';
        var w = 220;
	var h = 50;
        var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	var winprops = 'width='+w+',height='+h+',top='+wint+',left='+winl+',directories=no,toolbar=no,resizable=no,menubar=no,scrollbars=no';
	var popname = 'email';
                window.open(popurl,popname,winprops);
     }