Catch error thrown when you call sizeChanged() on an unloaded model

git-svn-id: https://xerteonlinetoolkits.googlecode.com/svn/trunk@510 912cdd6b-5c7d-d5a7-a2ba-d0f0cdb91641

modules/xerte/parent_templates/Nottingham/common_html5/js/xenith.js

@@ -778,12 +778,15 @@ function x_updateCss(updatePage) {
 	}
 
 	if (updatePage == true) {
-		// calls function in current page model which does anything needed on size change
-		if (x_pageInfo[x_currentPage].type == "text") {
-			simpleText.sizeChanged(); // errors if you just call text.sizeChanged()
-		} else {
-			eval(x_pageInfo[x_currentPage].type).sizeChanged();
+		try {
+			// calls function in current page model which does anything needed on size change
+			if (x_pageInfo[x_currentPage].type == "text") {
+				simpleText.sizeChanged(); // errors if you just call text.sizeChanged()
+			} else {
+				eval(x_pageInfo[x_currentPage].type).sizeChanged();
+			}
 		}
+		catch(e) {} // Catch error thrown when you call sizeChanged() on an unloaded model
 	}
 
 	$(".x_popupDialog").parent().detach();