if(document.images) 
	{
		rollover1 = new Image(102,26);
		rollover2 = new Image(102,26);
		rollover3 = new Image(102,26);
		rollover4 = new Image(102,26);
		rollover5 = new Image(102,26);
		rollover6 = new Image(102,26);
		rollover7 = new Image(102,26);
		rollover8 = new Image(102,26);

		rollout1 = new Image(102,26);
		rollout2 = new Image(102,26);
		rollout3 = new Image(102,26);
		rollout4 = new Image(102,26);
		rollout5 = new Image(102,26);
		rollout6 = new Image(102,26);
		rollout7 = new Image(102,26);
		rollout8 = new Image(102,26);

		rollover1.src = "images/mnu_history_on.gif";
		rollover2.src = "images/mnu_studies_on.gif";
		rollover3.src = "images/mnu_photos_on.gif";
		rollover4.src = "images/mnu_trawls_on.gif";
		rollover5.src = "images/mnu_public_on.gif";
		rollover6.src = "images/mnu_captain_on.gif";
		rollover7.src = "images/mnu_research_on.gif";
		rollover8.src = "images/mnu_home_on.gif";

		rollout1.src = "images/mnu_history_off.gif";
		rollout2.src = "images/mnu_studies_off.gif";
		rollout3.src = "images/mnu_photos_off.gif";
		rollout4.src = "images/mnu_trawls_off.gif";
		rollout5.src = "images/mnu_public_off.gif";
		rollout6.src = "images/mnu_captain_off.gif";
		rollout7.src = "images/mnu_research_off.gif";
		rollout8.src = "images/mnu_home_off.gif";
	
	}


	function menu01_rollover() 
	{
		if(document.images) document.images["menu01"].src=rollover1.src;
	}
	function menu01_rollout() 
	{
		if(document.images) document.images["menu01"].src=rollout1.src;
	}



	function menu02_rollover() 
	{
		if(document.images) document.images["menu02"].src=rollover2.src;
	}
	function menu02_rollout() 
	{
		if(document.images) document.images["menu02"].src=rollout2.src;
	}

	function menu03_rollover() 
	{
		if(document.images) document.images["menu03"].src=rollover3.src;
	}
	function menu03_rollout() 
	{
		if(document.images) document.images["menu03"].src=rollout3.src;
	}



	function menu04_rollover() 
	{
		if(document.images) document.images["menu04"].src=rollover4.src;
	}
	function menu04_rollout() 
	{
		if(document.images) document.images["menu04"].src=rollout4.src;
	}

	function menu05_rollover() 
	{
		if(document.images) document.images["menu05"].src=rollover5.src;
	}
	function menu05_rollout() 
	{
		if(document.images) document.images["menu05"].src=rollout5.src;
	}



	function menu06_rollover() 
	{
		if(document.images) document.images["menu06"].src=rollover6.src;
	}
	function menu06_rollout() 
	{
		if(document.images) document.images["menu06"].src=rollout6.src;
	}

	function menu07_rollover() 
	{
		if(document.images) document.images["menu07"].src=rollover7.src;
	}
	function menu07_rollout() 
	{
		if(document.images) document.images["menu07"].src=rollout7.src;
	}



	function menu08_rollover() 
	{
		if(document.images) document.images["menu08"].src=rollover8.src;
	}
	function menu08_rollout() 
	{
		if(document.images) document.images["menu08"].src=rollout8.src;
	}