function HideContent(d) {
document.getElementById(d).style.display = "none";
}

function ReverseDisplay(d) {
if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
else { document.getElementById(d).style.display = "none"; }
}

function ShowContent(d) {
  document.getElementById('toptxt_1').style.display = "none";
  document.getElementById('toptxt_2').style.display = "none";  
  document.getElementById('toptxt_1c').style.display = "none";
  document.getElementById('toptxt_1d').style.display = "none"; 
  
  document.getElementById(d).style.display = "block";
  
  if (d == 'toptxt_2') {
  	document.getElementById('cont_1').style.background = "white";
	document.getElementById('cont_2').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)'; 
	document.getElementById('cont_1c').style.background = "white";
	document.getElementById('cont_1d').style.background = "white";
  } if (d == 'toptxt_1') { 
    document.getElementById('cont_1').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)'; 
	document.getElementById('cont_2').style.background = "white";
	document.getElementById('cont_1c').style.background = "white";
	document.getElementById('cont_1d').style.background = "white";
  }
    if (d == 'toptxt_1c') { 
    document.getElementById('cont_1').style.background = "white";
	document.getElementById('cont_2').style.background = "white";
	document.getElementById('cont_1c').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)'; 
	document.getElementById('cont_1d').style.background = "white";
  }
  
    if (d == 'toptxt_1d') { 
    document.getElementById('cont_1').style.background = "white";
	document.getElementById('cont_2').style.background = "white";
	document.getElementById('cont_1c').style.background = "white";
	document.getElementById('cont_1d').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)'; 
  }
  
}

function ShowContent_2(d) {
  document.getElementById('toptxt_3').style.display = "none";
  document.getElementById('toptxt_4').style.display = "none";
  document.getElementById('toptxt_5').style.display = "none";  
  document.getElementById('toptxt_6').style.display = "none";  
  document.getElementById(d).style.display = "block";
  
  if (d == 'toptxt_3') {
  	document.getElementById('cont_4').style.background = "white";
 	document.getElementById('cont_5').style.background = "white";
	document.getElementById('cont_3').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)'; 
	document.getElementById('cont_6').style.background = "white";
  } if (d == 'toptxt_4') { 
    document.getElementById('cont_4').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)';
 	document.getElementById('cont_5').style.background = "white";
	document.getElementById('cont_3').style.background = "white"; 	
	document.getElementById('cont_6').style.background = "white";
  } if (d == 'toptxt_5') { 
    document.getElementById('cont_4').style.background = "white";
 	document.getElementById('cont_5').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)';
	document.getElementById('cont_3').style.background = "white"; 
	document.getElementById('cont_6').style.background = "white";
  } 
   if (d == 'toptxt_6') { 
    document.getElementById('cont_4').style.background = "white";
 	document.getElementById('cont_5').style.background = "white";
	document.getElementById('cont_3').style.background = "white"; 
	document.getElementById('cont_6').style.background = 'url(http://www.skyeville.com/images/bg-highlight.gif)';
  } 
}