Open popup with jquery

/*function showModelPopup(containner, isDialog,hideOnOutsideClick,zIndex)
{
if (zIndex != undefined) {
_zindex = zIndex;
}
var windowHeight = jQuery(window).height();
var windowWidth = jQuery(window).width();
var newLeft = 0;
var newTop = 0;
var targetContainer = jQuery('.' + containner);
var numberOfModels = jQuery('.faliaModel').length;

targetContainer.addClass('_mdd' + containner);

var model = "

";
if (jQuery("._md" + containner).length == 0) {
jQuery('body').append(model);
}
if (isDialog == undefined) {
isDialog = 0;
}


if (isDialog == 0) {
jQuery("._md" + containner).fadeIn(500).height(
jQuery(document).height() + 'px');
}

jQuery("._md" + containner).css('z-index', ++_zindex);
targetContainer.css('z-index', ++_zindex);
var windowPositionTop = jQuery(window).scrollTop();

if (targetContainer.width() > windowWidth) {
targetContainer.css('width', windowWidth - 100);
newLeft = 50;
} else if (targetContainer.width() < windowWidth) { newLeft = (windowWidth - targetContainer.width()) / 2; } if (targetContainer.height() > windowHeight) {
targetContainer.css('height', windowHeight - 100);
newTop = 50;
} else if (targetContainer.height() < windowHeight) {
newTop = (windowHeight - targetContainer.height()) / 2;
}

targetContainer.css('left', newLeft);
targetContainer.css('top', windowPositionTop + newTop);
targetContainer.fadeIn(200);

targetContainer.find('.closePopup').click(function() {
hideModel();
});
jQuery('._md' + containner).click(function() {
if(hideOnOutsideClick== undefined)
hideModel();
});

function hideModel() {
jQuery('._md' + containner).fadeOut(500);
jQuery('.' + jQuery('._md' + containner).attr('rel')).fadeOut(500);
if (typeof closeOperation == 'function') {
closeOperation();
}
}
;
}

function hideModel(_container) {
jQuery('._md' + _container).fadeOut(500);
jQuery('.' + jQuery('._md' + _container).attr('rel')).fadeOut(250);
if (typeof closeOperation == 'function') {
closeOperation();
}*/