function getPage(thePage,theName,wt,ht){
		leftPos = (screen.width-wt)/2
		topPos = (screen.height-ht)/2
		newWin1 = window.open(thePage,theName,'toolbar=no, directories=no, resizable=no, scrollbars=no, menubar=no, location=no, status=yes, left='+leftPos+',top='+topPos+',width='+wt+',height='+ht)
}