/*
 * Center 1.0
 *
 * Copyright (c) 2007 Andreas Lagerkvist (exscale.se)
 */
jQuery.fn.center = function() {
	// Always return each...
	return this.each(function() {
		var t = jQuery(this);
		var p = t.parent();
		
		if (BrowserDetect.browser == 'Explorer' && BrowserDetect.version < 8)
		{
	        //Use this code if you care about IE<7, this requires the dimensions plug-in tho
	        // Calculate left and top pos values
	
	        //var leftPos = (screen.availWidth - t.outerWidth()) / 2;// + jQuery(window).scrollLeft(), 
	        //    topPos = (screen.availHeight - t.outerHeight()) / 2;// + jQuery(window).scrollTop();
	                
           var leftPos = ($(document).width() - parseInt(t.css("width"))) / 2 + jQuery(window).scrollLeft(), 
               topPos = ($(document).height() - parseInt(t.css("height"))) / 2 + jQuery(window).scrollTop();

            // Make sure element is not out of bounds
           leftPos = (leftPos < 0) ? 0 : leftPos;
           topPos = (topPos < 0) ? 0 : topPos;

           leftPos = parseInt(leftPos, 10);
           topPos = parseInt(topPos, 10);
            
            t.css({
	            position: 'fixed',
	            left:  leftPos +'px', 
	            top: topPos +'px', 
	            zIndex: '1000'});
		}
		else
		{
	        // Set position to other than 'static' so element shrink-wraps and width/height is calculated properly
	        t.css({position: 'fixed'});
	
	        // Why are there no jQuery.fn.outerWidth/Height:s?
	        var w = t.width(), 
	            h = t.height(), 
	            lrPadding = parseInt(t.css('paddingLeft'), 10) + parseInt(t.css('paddingRight'), 10), 
	            lrBorder = parseInt(t.css('borderLeftWidth'), 10) + parseInt(t.css('borderRightWidth'), 10), 
	            tbPadding = parseInt(t.css('paddingTop'), 10) + parseInt(t.css('paddingBottom'), 10), 
	            tbBorder = parseInt(t.css('borderTopWidth'), 10) + parseInt(t.css('borderBottomWidth'), 10), 
	            leftMargin = (w + lrPadding + lrBorder) / 2;
	            topMargin = (h + tbPadding + tbBorder) / 2;
	
            t.css({
	            position: 'fixed', 
	            left: '50%', 
	            top: '50%', 
	            marginLeft: '-' +leftMargin +'px', 
	            marginTop: '-' +topMargin +'px', 
	            zIndex: '1000'
            });
        }
    });
};

/*
// If dimensions plug-in isn't available
// Why is there no jQuery.fn.outerWidth bundled with jQuery?
if(!jQuery.fn.outerWidth) {
        jQuery.fn.outerWidth = function() {
                var t = $(this[0]), 
                        w = t.width(), 
                        lrPadding = parseInt(t.css('paddingLeft'), 10) + parseInt(t.css('paddingRight'), 10), 
                        lrBorder = parseInt(t.css('borderLeftWidth'), 10) + parseInt(t.css('borderRightWidth'), 10);

                return w + lrPadding + lrBorder;
        };
}
if(!jQuery.fn.outerHeight) {
        jQuery.fn.outerHeight = function() {
                return this.each(function() {
                        var t = $(this)[0], 
                                h = t.height(), 
                                tbPadding = parseInt(t.css('paddingTop'), 10) + parseInt(t.css('paddingBottom'), 10), 
                                tbBorder = parseInt(t.css('borderTopWidth'), 10) + parseInt(t.css('borderBottomWidth'), 10);

                        return h + tbPadding + tbBorder;
                });
        };
}
*/