function HideContent(d) {
 if(d.length < 1) { return; }
 document.getElementById(d).style.display = "none";

 }
function ShowContent(plen,d) {
 if(d.length < 1) { return; }

 if(plen >= 0) {

 for (i=2;i <= plen;i++) {
 //alert(document.getElementById(i));
 document.getElementById(i).style.display = "none";
 }
 }
 //document.getElementById('1').className='products';
 document.getElementById('1').style.display = "none";
 document.getElementById(d).style.display = "block";

 }
function DefaultContent(d) {
 if(d.length < 1) { return; }

 document.getElementById(d).style.display = "block";

 }
function ReverseContentDisplay(d) {
 if(d.length < 1) { return; }
 if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
 else { document.getElementById(d).style.display = "none"; }
 }