Fixes IE7 test suite. Keep the testElement attached and set necessary styles...

Fixes IE7 test suite. Keep the testElement attached and set necessary styles on it to fix the offset with margin test.

src/support.js

@@ -230,7 +230,6 @@ jQuery.support = (function() {
 
 	// Remove the body element we added
 	testElement.innerHTML = "";
-	testElementParent.removeChild( testElement );
 
 	// Technique from Juriy Zaytsev
 	// http://thinkweb2.com/projects/prototype/detecting-event-support-without-browser-sniffing/
@@ -255,12 +254,15 @@ jQuery.support = (function() {
 	}
 
 	// Determine fixed-position support early
+	testElement.style.position = "static";
+	testElement.style.top = "0px";
+	testElement.style.marginTop = "1px";
 	offsetSupport = (function( body, container ) {
 
 		var outer, inner, table, td, supports,
 			bodyMarginTop = parseFloat( body.style.marginTop ) || 0,
-			ptlm = "position:absolute;top:0;left:0;width:1px;height:1px;",
-			style = "style='" + ptlm + "margin:0;border:5px solid #000;padding:0;'",
+			ptlm = "position:absolute;top:0;left:0;width:1px;height:1px;margin:0;",
+			style = "style='" + ptlm + "border:5px solid #000;padding:0;'",
 			html = "<div " + style + "><div></div></div>" +
 							"<table " + style + " cellpadding='0' cellspacing='0'>" +
 							"<tr><td></td></tr></table>";
@@ -296,6 +298,7 @@ jQuery.support = (function() {
 	})( testElement, div );
 
 	jQuery.extend( support, offsetSupport );
+	testElementParent.removeChild( testElement );
 
 	// Null connected elements to avoid leaks in IE
 	testElement = fragment = select = opt = body = marginDiv = div = input = null;

test/unit/offset.js

@@ -401,8 +401,8 @@ testoffset("scroll", function( jQuery, win ) {
 testoffset("body", function( jQuery ) {
 	expect(2);
 
-	equals( jQuery("body").offset().top, 0, "jQuery('#body').offset().top" );
-	equals( jQuery("body").offset().left, 0, "jQuery('#body').offset().left" );
+	equals( jQuery("body").offset().top, 1, "jQuery('#body').offset().top" );
+	equals( jQuery("body").offset().left, 1, "jQuery('#body').offset().left" );
 });
 
 test("Chaining offset(coords) returns jQuery object", function() {

test/unit/support.js

@@ -47,7 +47,7 @@ supportIFrameTest( "body background is not lost if set prior to loading jQuery (
 	}
 	for ( i in support ) {
 		if ( !( i in jQuery.support ) ) {
-			ok = false;
+			passed = false;
 			strictEqual( src[ i ], dest[ i ], "Unexpected property: " + i );
 		}
 	}