function toggleLayer(whichLayer)
		{
		if (document.getElementById)
		{
		// this is the way the standards work
		var style2 = document.getElementById(whichLayer).style;
		style2.display = style2.display? "":"block";
		}
		else if (document.all)
		{
		// this is the way old msie versions work
		var style2 = document.all[whichLayer].style;
		style2.display = style2.display? "":"block";
		}
		else if (document.layers)
		{
		// this is the way nn4 works
		var style2 = document.layers[whichLayer].style;
		style2.display = style2.display? "":"block";
		}
		}
		
		
function naytaKaava(linkki)
		{
											
		if(linkki==0){
						if (document.getElementById)
						{
						// this is the way the standards work
						var style2 = document.getElementById('kaava_linkki').style;
						style2.display = style2.display="none";
						
						var style3 = document.getElementById('kaava_kuva').style;
						style3.display = style3.display="none";
						
						var style4 = document.getElementById('kaava_koneelta').style;
						style4.display = style4.display="none";
						
						if(document.getElementById('liite_pohja').style=='none'){
						var style5 = document.getElementById('liite_pohja').style;
						style5.display = style5.display="block";						
						}else{
						var style5 = document.getElementById('liite_pohja').style;
						style5.display = style5.display? "":"block";
						}}
						
						else if (document.all)
						{
						// this is the way old msie versions work
						var style2 = document.all['kaava_linkki'].style;
						style2.display = style2.display="none";
						
						var style3 = document.all['kaava_kuva'].style;
						style3.display = style3.display="none";
						
						var style4 = document.all['kaava_koneelta'].style;
						style4.display = style4.display="none";
						
						var close=document.all['liite_pohja'].style;
						close.display = close.display="none";
					
						var style2 = document.all['liite_pohja'].style;
						style2.display = style2.display? "":"block";
						}
						
						else if (document.layers)
						{
						// this is the way nn4 works
						var style2 = document.layers['kaava_linkki'].style;
						style2.display = style2.display="none";
						
						var style2 = document.layers['kaava_kuva'].style;
						style3.display = style3.display="none";
						
						var style2 = document.layers['kaava_koneelta'].style;
						style4.display = style4.display="none";
						
						var close=document.layers['liite_pohja'].style;
						close.display = close.display? "":"block";
						}
		
		}
		if(linkki==1){
						if (document.getElementById)
						{
						// this is the way the standards work
						var style2 = document.getElementById('kaava_linkki').style;
						style2.display = style2.display="block";
						
						var style3 = document.getElementById('kaava_kuva').style;
						style3.display = style3.display="none";
						
						var style4 = document.getElementById('kaava_koneelta').style;
						style4.display = style4.display="none";
						}
						
						else if (document.all)
						{
						// this is the way old msie versions work
						var style2 = document.all['kaava_linkki'].style;
						style2.display = style2.display="block";
						
						var style3 = document.all['kaava_kuva'].style;
						style3.display = style3.display="none";
						
						var style4 = document.all['kaava_koneelta'].style;
						style4.display = style4.display="none";
						}
						
						else if (document.layers)
						{
						// this is the way nn4 works
						var style2 = document.layers['kaava_linkki'].style;
						style2.display = style2.display="block";
						
						var style2 = document.layers['kaava_kuva'].style;
						style2.display = style3.display="none";
						
						var style2 = document.layers['kaava_koneelta'].style;
						style2.display = style4.display="none";
						}
		}
		if(linkki==2){
						if (document.getElementById)
						{
						// this is the way the standards work
						var style2 = document.getElementById('kaava_linkki').style;
						style2.display = style2.display="none";
						
						var style3 = document.getElementById('kaava_kuva').style;
						style3.display = style3.display="block";
						
						var style4 = document.getElementById('kaava_koneelta').style;
						style4.display = style4.display="none";
						}
						
						else if (document.all)
						{
						// this is the way old msie versions work
						var style2 = document.all['kaava_linkki'].style;
						style2.display = style2.display="none";
						
						var style3 = document.all['kaava_kuva'].style;
						style3.display = style3.display="block";
						
						var style4 = document.all['kaava_koneelta'].style;
						style4.display = style4.display="none";
						}
						
						else if (document.layers)
						{
						// this is the way nn4 works
						var style2 = document.layers['kaava_linkki'].style;
						style2.display = style2.display="none";
						
						var style2 = document.layers['kaava_kuva'].style;
						style3.display = style3.display="block";
						
						var style2 = document.layers['kaava_koneelta'].style;
						style4.display = style4.display="none";
						}
		}
		
		if(linkki==3){
						if (document.getElementById)
						{
						// this is the way the standards work
						var style2 = document.getElementById('kaava_linkki').style;
						style2.display = style2.display="none";
						
						var style3 = document.getElementById('kaava_kuva').style;
						style3.display = style3.display="none";
						
						var style4 = document.getElementById('kaava_koneelta').style;
						style4.display = style4.display="block";
						}
						
						else if (document.all)
						{
						// this is the way old msie versions work
						var style2 = document.all['kaava_linkki'].style;
						style2.display = style2.display="none";
						
						var style3 = document.all['kaava_kuva'].style;
						style3.display = style3.display="none";
						
						var style4 = document.all['kaava_koneelta'].style;
						style4.display = style4.display="block";
						}
						
						else if (document.layers)
						{
						// this is the way nn4 works
						var style2 = document.layers['kaava_linkki'].style;
						style2.display = style2.display="none";
						
						var style2 = document.layers['kaava_kuva'].style;
						style3.display = style3.display="none";
						
						var style2 = document.layers['kaava_koneelta'].style;
						style4.display = style4.display="block";
						}
					}
	}