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 (NS4) {
        for (i=0; i<document.layers.length; i++) 
	{
            whichEl = document.layers[i];
            if (whichEl.id.indexOf("Child") != -1) whichEl.visibility = "hide";
        }        
    }
    else {
        divColl = document.all.tags("DIV");
		 for (i=0; i<divColl.length; i++) {
            whichEl = divColl(i);
            if (whichEl.className == "child") whichEl.style.display = "none";
						        }
	     tableColl = document.all.tags("TABLE");
		 for (i=0; i<tableColl.length; i++) {
            whichTable = tableColl(i);
            if (whichTable.className == "table2") whichTable.className = "table1";
						        }
								    } 
    if (IE4) {
        whichEl = eval(el + "Child");
		//whichUEl= eval(el + "Parent");
		whichlink= eval(el + "Link");
		whichtable= eval(el + "Table");
		if (whichEl.style.display == "none") {
			whichEl.style.display = "block";
            whichlink.style.display = "block";
			whichtable.className="table2";	
			//whichUEl.style.backgroundColor="#F0F0F0";
        }
       else {		  
             whichEl.style.display = "none";
	         whichlink.style.display = "none";		
	         whichtable.className="table1";			
			//whichUEl.style.backgroundColor="#FAFAFA";
        }
		if (whichEl.style.display == "none"){
			whichtable.className="table1";	
			}
        
    }
    else {
        whichEl = eval("document." + el + "Child");
		whichUEl= eval(el + "Parent");
		//whichlink= eval(el + "Link");
		whichtable= eval(el + "Table");
        if (whichEl.visibility == "hide") {
            whichEl.visibility = "show";
			 whichtable.className="table2";
			//whichUEl.style.backgroundColor="#F0F0F0";
        }
        else {
            whichEl.visibility = "hide";
			 whichtable.className="table1";
			 
			//whichUEl.style.backgroundColor="#FAFAFA";
        }
        arrange();
    }
}
onload = initIt;