function write_layer(layerno){
imga = "#006699";imgb = "#006699";
txta = "#FFFFFF";txtb = "#FFFFFF";
txt2a = "#006699";txt2b = "#006699";
if (visited.indexOf("a")>=0) { imgva = "<b><span style=\"color:#C2C2C2;\">SM-4X4-DVI</span></b>" } 
if (visited.indexOf("b")>=0) { imgvb = "<b><span style=\"color:#C2C2C2;\">SM-8X8-DVI</span></b>" } 
if (layerno.indexOf("a")>=0) { imgva = "<b>SM-4X4-DVI</b>" } 
if (layerno.indexOf("b")>=0) { imgvb = "<b>SM-8X8-DVI</b>" } 
if (layerno.indexOf("a")>=0) { imga = "#FFFFFF" } if (layerno.indexOf("b")>=0) { imgb = "#FFFFFF" } 
if (layerno.indexOf("a")>=0) { txta = "#000000" } if (layerno.indexOf("b")>=0) { txtb = "#000000" } 
if (layerno.indexOf("a")>=0) { txt2a = "#000000" } if (layerno.indexOf("b")>=0) { txt2b = "#000000" } 
visited = visited + layerno;
imgstring = "<table width=\"200\" height=\"20\" border=\"1\" cellpadding=\"0\" cellspacing=\"0\" bordercolorlight=\"#00448f\" bordercolordark=\"#006699\"><tr bgcolor=\"#006699\">";
imgstring = imgstring + "<td style=\"color:" + txta + ";\" width=\"100\" align=\"center\" bgcolor=\"" + imga + "\" onClick=\"write_layer('a');\" onMouseover=\"this.style.cursor='pointer'; this.style.backgroundColor='#FFFFFF'; this.style.color='" + txt2a + "';\" onMouseout=\"this.style.backgroundColor='" + imga + "'; this.style.color='" + txta + "';\">" + imgva + "</td>";
imgstring = imgstring + "<td style=\"color:" + txtb + ";\" width=\"100\" align=\"center\" bgcolor=\"" + imgb + "\" onClick=\"write_layer('b');\" onMouseover=\"this.style.cursor='pointer'; this.style.backgroundColor='#FFFFFF'; this.style.color='" + txt2b + "';\" onMouseout=\"this.style.backgroundColor='" + imgb + "'; this.style.color='" + txtb + "';\">" + imgvb + "</td>";
imgstring = imgstring + "</tr></table>";
switch (layerno) {
   case 'a':
	  msgstringleft1=layer_left1a; msgstringdim=layer_dima;  
	  msgstringpower=layer_powera; msgstringpic=layer_pica;
      break
   case 'b':
	  msgstringleft1=layer_left1b; msgstringdim=layer_dimb; 
	  msgstringpower=layer_powerb;  msgstringpic=layer_picb;
      break
   default:
      msgstringleft1=layer_left1a; msgstringdim=layer_dima;  
	  msgstringpower=layer_powera; msgstringpic=layer_pica;
      break
   }	  
  if(document.layers){
   //Browser="NN4";
  textlayer = document.layers["specifications_left1"];
  textlayer.document.open();
  textlayer.document.write(msgstringleft1);
  textlayer.document.close();
  textlayer = document.layers["specifications_dim"];
  textlayer.document.open();
  textlayer.document.write(msgstringdim);
  textlayer.document.close();
  textlayer = document.layers["specifications_power"];
  textlayer.document.open();
  textlayer.document.write(msgstringpower);
  textlayer.document.close();
  textlayer = document.layers["tabs"];
  textlayer.document.open();
  textlayer.document.write(imgstring);
  textlayer.document.close();
  textlayer = document.layers["pic"];
  textlayer.document.open();
  textlayer.document.write(msgstringpic);
  textlayer.document.close();
  }
   if(document.all){
  //Browser="IE"
  textlayer = document.all["specifications_left1"];
  textlayer.innerHTML=msgstringleft1;
  textlayer = document.all["specifications_dim"];
  textlayer.innerHTML=msgstringdim;  
  textlayer = document.all["specifications_power"];
  textlayer.innerHTML=msgstringpower;
  textlayer = document.all["tabs"];
  textlayer.innerHTML=imgstring;
  textlayer = document.all["pic"];
  textlayer.innerHTML=msgstringpic;
  }
  if(document.getElementById){
  //Browser="NN6+";
  textlayer = document.getElementById("specifications_left1");
  textlayer.innerHTML =msgstringleft1;
  textlayer = document.getElementById("specifications_dim");
  textlayer.innerHTML =msgstringdim;  
  textlayer = document.getElementById("specifications_power");
  textlayer.innerHTML =msgstringpower;
  textlayer = document.getElementById("tabs");
  textlayer.innerHTML =imgstring;
  textlayer = document.getElementById("pic");
  textlayer.innerHTML =msgstringpic;
  }
}
// Layer Information
layer_left1a = "<ul class=\"med-text\"><li>Compatible with computers and HDTV video sources (satellite receivers, DVD players, etc) with DVI-D outputs.";
layer_left1a = layer_left1a + "<li>Multiplatform support: Windows 2000/XP/Vista/Server 2000/2003/2008, Solaris, Linux, FreeBSD, and MAC OS 9/10.";
layer_left1a = layer_left1a + "<li>Four female DVI-I single link connectors.</ul>";
layer_left1a = layer_left1a + "<h6>Video Output</h6><ul class=\"med-text\">";
layer_left1a = layer_left1a + "<li>Four female DVI-I single link connectors.";
layer_left1a = layer_left1a + "<li>Supports 480i, 480p, 720i, 720p, 1080i and 1080p resolution for HDTV displays.";
layer_left1a = layer_left1a + "<li>Supports up to 1920x1200 resolution for monitors.";
layer_left1a = layer_left1a + "<li>Video bandwidth: 1.65 Gbps</ul>";
layer_dima = "<ul><li><div class=\"us\">WxDxH (in): 12x6.5x1.75</div><div class=\"metric\">WxDxH  (mm): 305x165x45</div><li><div class=\"us\">Weight: 4.1 lbs</div><div class=\"metric\">Weight: 1.8 kg</div></ul>";
layer_powera = "<ul><li>100 - 240 VAC at 50 or 60 Hz via AC Adapter.<li>Power consumption: 10W max.</ul><h6>MTBF</h6><ul><li>322,216 hrs.</ul>";
layer_pica = "<img src=\"images/sm-4x4-dvi.jpg\" alt=\"DVI Matrix Switch\" width=\"440\" height=\"163\" border=\"0\"><br><b>VEEMUX<sup>&reg;</sup> SM-4X4-DVI  (Front &amp; Back)</b><table width=\"250\" height=\"20\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" align=\"center\"><tr><td align=\"right\"><b>Click to view&nbsp;&nbsp;<br>product image:&nbsp;&nbsp;</b></td><td><a href=\"#\" onClick=\"write_layer('b');\" title=\"Click to view the SM-8X8-DVI product image\" onMouseover=\"style.cursor='pointer';\">SM-8X8-DVI</a></td></tr></table>";
layer_left1b = "<ul class=\"med-text\"><li>Compatible with computers and HDTV video sources (satellite receivers, DVD players, etc) with DVI-D outputs.";
layer_left1b = layer_left1b + "<li>Multiplatform support: Windows 2000/XP/Vista/Server 2000/2003/2008, Solaris, Linux, FreeBSD, and MAC OS 9/10.";
layer_left1b = layer_left1b + "<li>Eight female DVI-I single link connectors.</ul>";
layer_left1b = layer_left1b + "<h6>Video Output</h6><ul class=\"med-text\">";
layer_left1b = layer_left1b + "<li>Eight female DVI-I single link connectors.";
layer_left1b = layer_left1b + "<li>Supports 480i, 480p, 720i, 720p, 1080i and 1080p resolution for HDTV displays.";
layer_left1b = layer_left1b + "<li>Supports up to 1920x1200 resolution for monitors.";
layer_left1b = layer_left1b + "<li>Video bandwidth: 1.65 Gbps</ul>";
layer_dimb = "<ul><li><div class=\"us\">WxDxH (in): 17x7x1.75</div><div class=\"metric\">WxDxH (mm): 432x178x45</div><li><div class=\"us\">Weight: 2.5 lbs</div><div class=\"metric\">Weight: 1.1 kg</div></ul>";
layer_powerb = "<ul><li>100 - 240 VAC at 50 or 60 Hz via AC Adapter.<li>Power consumption: 13W max.</ul>";
layer_picb = "<img src=\"images/sm-8x8-dvi.jpg\" alt=\"DVI Matrix Switch\" width=\"440\" height=\"169\" border=\"0\"><br><br><b>VEEMUX<sup>&reg;</sup> SM-8X8-DVI (Front &amp; Back)</b><br><table width=\"250\" height=\"20\" border=\"0\" cellpadding=\"0\" cellspacing=\"0\" align=\"center\"><tr><td align=\"right\"><b>Click to view&nbsp;&nbsp;<br>product image:&nbsp;&nbsp;</b></td><td><a href=\"#\" onClick=\"write_layer('a');\" title=\"Click to view the SM-4X4-DVI product image\" onMouseover=\"style.cursor='pointer';\">SM-4X4-DVI</a></td></tr></table>";
function initialvars() { 
imga = "#FFFFFF";imgb = "#77ccaa";
imgva = "<b>SM-4X4-DVI</b>";imgvb = "<b>SM-8X8-DVI</b>";
visited = "a"; 
}