




<!--
	
if (document.images) {	
	
img1on=new Image;
img1on.src="siteart/home_on.jpg";
img2on=new Image;
img2on.src="siteart/map_on.jpg";
img3on=new Image;
img3on.src="siteart/inventory_on.jpg";
img4on=new Image;
img4on.src="siteart/needtruck_on.jpg";
img5on=new Image;
img5on.src="siteart/email_on.jpg";
img6on=new Image;
img6on.src="siteart/credit_on.jpg";








img1off=new Image;
img1off.src="siteart/home_off.jpg";
img2off=new Image;
img2off.src="siteart/map_off.jpg";
img3off=new Image;
img3off.src="siteart/inventory_off.jpg";
img4off=new Image;
img4off.src="siteart/needtruck_off.jpg";
img5off=new Image;
img5off.src="siteart/email_off.jpg";
img6off=new Image;
img6off.src="siteart/credit_off.jpg";



//Add additional images here.



}

//function to turn images on.
function imgOn (img1) {
	if (document.images) {
		document [img1].src = eval (img1 + "on.src");
	}
}
	
//function to turn images off.
function imgOff (img1) {
	if (document.images) {
		document [img1].src = eval (img1 + "off.src");
	}
}
//-->






  function ToggleDisplay(id)
  {	
    var elem = document.getElementById("_" + id); 
    if (elem)
    {
      if (elem.style.display != 'block')
      {
        elem.style.display = 'block';
        elem.style.visibility = 'visible';
   		
   		if(id==1){	
        	_2.style.display = 'none';
        	_2.style.visibility = 'hidden';
        	
        	_3.style.display = 'none';
        	_3.style.visibility = 'hidden';
        	
        	_4.style.display = 'none';
        	_4.style.visibility = 'hidden';



      	}

   		if(id==2){	
        	_1.style.display = 'none';
        	_1.style.visibility = 'hidden';
        	
        	_3.style.display = 'none';
        	_3.style.visibility = 'hidden';
        	
        	_4.style.display = 'none';
        	_4.style.visibility = 'hidden';



      	}
      	
      	
      	if(id==3){	
        	_1.style.display = 'none';
        	_1.style.visibility = 'hidden';
        	
        	_2.style.display = 'none';
        	_2.style.visibility = 'hidden';
        	
        	_4.style.display = 'none';
        	_4.style.visibility = 'hidden';



      	}
      	
      	 if(id==4){	
        	_1.style.display = 'none';
        	_1.style.visibility = 'hidden';
        	
        	_2.style.display = 'none';
        	_2.style.visibility = 'hidden';
        	
        	_3.style.display = 'none';
        	_3.style.visibility = 'hidden';



      	}




      }
    }
  }