// Element centering function
jQuery.fn.center = function (absolute) {
    return this.each(function () {
        var t = jQuery(this);

        t.css({
            position:    absolute ? 'absolute' : 'fixed', 
            left:        '50%', 
            top:        '50%', 
            zIndex:        '100'
        }).css({
            marginLeft:    '-' + (t.outerWidth() / 2) + 'px', 
            marginTop:    '-' + (t.outerHeight() / 2) + 'px'
        });

        if (absolute) {
            t.css({
                marginTop:    parseInt(t.css('marginTop'), 10) + jQuery(window).scrollTop(), 
                marginLeft:    parseInt(t.css('marginLeft'), 10) + jQuery(window).scrollLeft()
            });
        }
    });
};

function getComputedWidth(el){

	if (isIE())
	{
            width = document.getElementById(el).offsetWidth;
    }
    else{
            docObj = document.getElementById(el);
            var width1 = document.defaultView.getComputedStyle(docObj, "").getPropertyValue("width");
            width = width1.split('px');
            width = width[0];
    }
    return width;
}

function isIE()
{
  return /msie/i.test(navigator.userAgent) && !/opera/i.test(navigator.userAgent);
}