// JavaScript Document


// popup window
//really not important (the first two should be small for Opera's sake)
PositionX = 10;
PositionY = 10;
defaultWidth  = 600;
defaultHeight = 400;

//kinda important
var AutoClose = true;

//don't touch
function popImage(imageURL,imageTitle){
	var imgWin = window.open('','_blank','scrollbars=no,resizable=1,width='+defaultWidth+',height='+defaultHeight+',left='+PositionX+',top='+PositionY);
	if( !imgWin ) { return true; } //popup blockers should not cause errors
	imgWin.document.write('<html><head><title>'+imageTitle+'<\/title><script type="text\/javascript">\n'+
		'function resizeWinTo() {\n'+
		'if( !document.images.length ) { document.images[0] = document.layers[0].images[0]; }'+
		'var oH = document.images[0].height, oW = document.images[0].width;\n'+
		'if( !oH || window.doneAlready ) { return; }\n'+ //in case images are disabled
		'window.doneAlready = true;\n'+ //for Safari and Opera
		'var x = window; x.resizeTo( oW + 200, oH + 200 );\n'+
		'var myW = 0, myH = 0, d = x.document.documentElement, b = x.document.body;\n'+
		'if( x.innerWidth ) { myW = x.innerWidth; myH = x.innerHeight; }\n'+
		'else if( d && d.clientWidth ) { myW = d.clientWidth; myH = d.clientHeight; }\n'+
		'else if( b && b.clientWidth ) { myW = b.clientWidth; myH = b.clientHeight; }\n'+
		'if( window.opera && !document.childNodes ) { myW += 16; }\n'+
		'x.resizeTo( oW = oW + ( ( oW + 200 ) - myW ), oH = oH + ( (oH + 200 ) - myH ) );\n'+
		'var scW = screen.availWidth ? screen.availWidth : screen.width;\n'+
		'var scH = screen.availHeight ? screen.availHeight : screen.height;\n'+
		'if( !window.opera ) { x.moveTo(Math.round((scW-oW)/2),Math.round((scH-oH)/2)); }\n'+
		'}\n'+
		'<\/script>'+
		'<\/head><body onload="resizeWinTo();"'+(AutoClose?' onblur="self.close();"':'')+'>'+
		(document.layers?('<layer left="0" top="0">'):('<div style="position:absolute;left:0px;top:0px;display:table;">'))+
		'<img src='+imageURL+' alt="Loading image ..." title="" onload="resizeWinTo();">'+
		(document.layers?'<\/layer>':'<\/div>')+'<\/body><\/html>');
	imgWin.document.close();
	if( imgWin.focus ) { imgWin.focus(); }
	return false;
}

// Get screen size
var doc_w = doc_h = scn_w = scn_h = 0;

function getScreenWidthHeight()
{
	doc_w = (bsr.ns)? window.innerWidth:  document.body.offsetWidth  - 20;
	doc_h = (bsr.ns)? window.innerHeight: document.body.offsetHeight - 4;
	
	scn_w = screen.width
    scn_h = screen.height
}

//Get browser
var opa = ie = ie4 = ns = ns4 = ns6 = false;

function getBrowser()
{
    if (navigator.userAgent.toLowerCase().indexOf("opera")+1) opa = true;
    else if (document.all)            ie4 = true;
    else if (document.layers)         ns4 = true;
    else if (document.getElementById) ns6 = true;
	
    this.opa = opa;

	this.ie = (navigator.appName == "Microsoft Internet Explorer")? true: false;
	this.ie4 = ie4;

	this.ns = (navigator.appName == "Netscape")? true: false;
	this.ns4 = ns4;
	this.ns6 = ns6;
}

// automatically create the "brwsr" object
bsr = new getBrowser();

// start centering the div
// capture resize
window.onresize = centerDivs;

function centerDivs()
{
    getScreenWidthHeight();
    doCenter("number1");
}

function doCenter(obj_name)
{
    var my_obj = document.getElementById(obj_name)

    // get the size of the object
	var obj_w = my_obj.offsetWidth;
	var obj_h = my_obj.offsetHeight;
	
	// get centered coords
    var x = Math.round(doc_w/2 - obj_w/2);
	var y = Math.round(doc_h/2 - obj_h/2);

	// reposition object
	if(ns4)
	{
		my_obj.moveTo(xc,yc);
	}
	else
	{
		my_obj.style.left = x + "px";
		my_obj.style.top  = y + "px";
	}
}

