scores = new Array(20);
var numTotal=0;
    NS4 = (document.layers) ? 1 : 0;
	IE4 = (document.all) ? 1 : 0;
	ver4 = (NS4 || IE4) ? 1 : 0;
if (ver4) { 
   with (document) { 
          write("<STYLE TYPE='text/css'>");
	if (NS4) {  
          write(".parent {position:absolute; visibility:visible}");
		  write(".child {position:absolute; visibility:visible}");
		  write(".regular {position:absolute; visibility:visible}")
	}        
	else { 
	      write(".child {display:none}")
		  }
	write("</STYLE>");
    }
}
function getIndex(el) {
    ind = null;
	for (i=0; i<document.layers.length; i++) { 
	       whichEl = document.layers[i];
		   if (whichEl.id == el) { 
		       ind = i;
			   break;
		    }
	}
    return ind;
}
function arrange() {
    nextY = document.layers[firstInd].pageY +document.layers[firstInd].document.height;
	for (i=firstInd+1; i<document.layers.length; i++) { 
	       whichEl = document.layers[i];
		   if (whichEl.visibility != "hide") { 
		       whichEl.pageY = nextY; 
			   nextY += whichEl.document.height;
	        }
    }
}
function initIt(){ 
   if (!ver4) return;
   if (NS4) { 
          for (i=0; i<document.layers.length; i++) { 
		       whichEl = document.layers[i];
			   if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
		   }
		   arrange();
	}
	else { 
	      divColl = document.all.tags("DIV");
		  for (i=0; i<divColl.length; i++) { 
		       whichEl = divColl(i);
			         if (whichEl.className == "child") whichEl.style.display = "none";
		   }
	}
}
function expandIt(el) {	
    if (!ver4) return;
	if (IE4) { 
	       whichEl1 = eval(el + "Child");
		   for(i=1;i<=numTotal;i++){
		   		whichEl = eval(scores[i] + "Child");
					if(whichEl!=whichEl1) {
							whichEl.style.display = "none";
					}
			}
		   whichEl1 = eval(el + "Child");
		   if (whichEl1.style.display == "none") { 
		         whichEl1.style.display = "block";
			}
			else {
			     whichEl1.style.display = "none";
		    }
	}
	else { 
	       whichEl = eval("document." + el + "Child");
		   for(i=1;i<=numTotal;i++){
		   		whichEl = eval("document." + scores[i] + "Child");
					if(whichEl!=whichEl1) {
						whichEl.visibility = "hide";
						}
			}
	        if (whichEl.visibility == "hide") {
			    whichEl.visibility = "show";
		        } 
	       else {
		        whichEl.visibility = "hide";
				}
	       arrange();
	}
}
onload = initIt;