var imgs=new Array();var imgcnt=0;var thisimg=0;imgs[imgcnt++]="App_Themes/images/coverpage_images.jpg";imgs[imgcnt++]="App_Themes/images/disclamer.jpg";imgs[imgcnt++]="App_Themes/images/table_of_content.jpg";function nextImg(){if(document.images){thisimg++;if(thisimg>=imgcnt){thisimg=0}document.rollimg.src=imgs[thisimg]}}function prevImg(){if(document.images){thisimg--;if(thisimg<0){thisimg=imgcnt-1}document.rollimg.src=imgs[thisimg]}};