<!-- // PRE LOAD ALL THE IMAGES -->
main_nav = new Image;
main_nav.src = "/pics/main_nav2.png";
main_nav_news = new Image;
main_nav_news.src = "/pics/main_nav_news2.png";
main_nav_purchase = new Image;
main_nav_purchase.src = "/pics/main_nav_purchase2.png";
main_nav_download = new Image;
main_nav_download.src = "/pics/main_nav_download2.png";
main_nav_products = new Image;
main_nav_products.src = "/pics/main_nav_products2.png";
main_nav_feedback = new Image;
main_nav_feedback.src = "/pics/main_nav_feedback2.png";

nav2online = new Image;
nav2online.src = "/pics/nav2online.png";
nav2app = new Image;
nav2app.src = "/pics/nav2app.png";
nav2hdl = new Image;
nav2hdl.src = "/pics/nav2hdl.png";;
 
tt_online = new Image;
tt_online.src = "/pics/tt_online200x150.png";
tt_hdl = new Image;
tt_hdl.src = "/pics/hdl200x150.png";
tt_app = new Image;
tt_app.src = "/pics/tt_app200x150.png"

var tt_online_features = '<li>No download required</li><br/><li>Relationships, annotations and parameter tables</li><br/><li>Timing Diagrams for documentation</li><br/><li>Online workarea</li><br/>';
var tt_online_caption = '<b>Free to use Online Timing Diagram Editor</b>';
var hdl_features = '<li>Automated VHDL and Verilog Testbench</li><br/><li>Generate Timing Diagram from HDL Source</li><br/><li>Save Engineering Time and Reduce Risk of Error</li><br/>';
var hdl_caption = '<b>HDL Testbench Extension for TimingTool</b>';
var tt_app_features = '<li>Advanced Timing Diagram Editor</li><br/><li>Parameter Tables</li><br/><li>Timing Analysis: Setup, Hold, Delay</li><br/><li>Powerful Macro Editor</li><br/>';
var tt_app_caption = '<b>TimingTool Application Version</b>';

function changeFeature(feature)
	{ 
	  if (feature=='ttonline')
		{
		    changeImage('nav2', 'nav2online');
		    changeImage('center_img', 'tt_online'); 
		    window.status ='TimingTool Online';
		    htmlChange('features',tt_online_features,'#FFFFFF'); 
		    htmlChange('captions',tt_online_caption,'#FFFFFF');
		}
	  else if (feature=='ttapp') 
	        {
	            changeImage('nav2', 'nav2app');
		    changeImage('center_img', 'tt_app'); 
		    window.status ='TimingTool Advanced Application'; 
		    htmlChange('features',tt_app_features,'#FFFFFF'); 
		    htmlChange('captions',tt_app_caption,'#FFFFFF');
	        }
	  else if (feature=='tthdl')
	        {
	            changeImage('nav2', 'nav2hdl');
	            changeImage('center_img', 'tt_hdl');
	            window.status ='HDL plugin for TimingTool';
	            htmlChange('features',hdl_features,'#FFFFFF');
	            htmlChange('captions',hdl_caption,'#FFFFFF');
	        }
	}