//Browser detect
//only looks at major version. Layer setting based currently on tested browser versions as listed below
//Tested: FireFox 1.5, Opera 8.5, Netscape 8.5, IE 6, Avant 10.2 - Windows XP
var layer;
var ua = navigator.userAgent;
var versionindex;

if(ua.indexOf("Firefox")!=-1){
    versionindex=navigator.userAgent.indexOf("Firefox")+8;
    if (versionindex >= 1) {
        layer=1;
    } else {
        layer=1;
    }
} else if (ua.indexOf("Netscape")!=-1) {
    versionindex=navigator.userAgent.indexOf("Netscape")+9;
    if (versionindex >= 7) {
        layer=3;
    } else {
        layer=3;
    }
} else if (ua.indexOf("Opera")!=-1) {
    versionindex=navigator.userAgent.indexOf("Opera")+6;
    if (versionindex >= 7) {
        layer=1;
    } else {
        layer=1;
    }
} else if ((ua.indexOf("Avant")!=-1)||(ua.indexOf("MSIE")!=-1)) {
    versionindex=navigator.userAgent.indexOf("MSIE")+5;
    if (versionindex >= 5) {
        layer=1;
    } else {
        layer=1;
    }
} else {
    layer=1;
}

function DisplayAds1 (position)
{
	var RN = new String (Math.random());
	var RNS = RN.substring (2, 11);

	var oaspage, oas;

	oas = "http://adserver.tmcorp1.ca/RealMedia/ads/";
	oaspage = "www.employmentnews.com/all@" + position;

	document.write ('<SCRIPT LANGUAGE="JavaScript1.1" SRC="' + oas + 'adstream_jx.cgi/' + oaspage + '">');
	document.write ('\<\!-- --\>');
	document.write ('\<\/SCRIPT\>');
	document.write ('\<\!-- --\>');
}


function DisplayAds (position)
{
	var width, height;
	var parameter;


	if (layer == 0 || layer == 3)
	{
	
		DisplayAds1 (position);
	}
	else
	{
	
		parameter = "position="+escape(position);
		if (position == "Top")
		{
			width = "468";
			height = "60";
		}
		else if (position == "x10" || position == "x11" || position == "x12" || position == "x13" || position == "x14" 
					|| position == "x15" || position == "x16" || position == "x17" || position == "x18" || position == "x19" || position == "x20" || position == "x21" )
		{
			width = "124";
			height = "40";
		}
		else if (position == "Bottom")
		{
			width = "314";
			height = "93";
		}
		parameter = parameter + "&width=" + width + "&height=" + height;

		if (layer == 1)
		{
			if (position == "x10" || position == "x11" || position == "x12" || position == "x13" || position == "x14" || position == "x15" || position == "x16" || position == "x17" || position == "x18" || position == "x19" || position == "x20" || position == "x21" )
			{
				document.write('<iframe src="http://empnews.xunity.com/global/includes/asp/oas_layer_ns.asp?'+parameter+'" width="'+width+'" height="'+height+'" frameborder=0 marginheight=0 marginwidth=0 scrolling="no"></iframe>');
			}
			else if (position == "Bottom")
			{
				document.write('<iframe src="http://empnews.xunity.com/global/includes/asp/oas_layer.asp?'+parameter+'" width="'+width+'" height="'+height+'" frameborder=0 marginheight=0 marginwidth=0 scrolling="no" ALLOWTRANSPARENCY="true"></iframe>');
			}
		}
	}
}