htmlview tabbing

regWin=CreateWindow ("Register",(ClientWidth(Desktop())/2)-100,(ClientHeight(Desktop())/2)-200,200,400,Null,WINDOW_TITLEBAR|WINDOW_STATUS)
regHtml=CreateHTMLView (0,0,ClientWidth(RegWin),ClientHeight(RegWIn),RegWin,HTMLVIEW_NOCONTEXTMENU)
HtmlViewGo regHtml , "http://www.google.co.uk"

(sorry not sure how to do code blocks)
doesnt matter what site i connect to, tab doesnt work