var isNav = (navigator.appName.indexOf("Netscape")>=0);
		var isNav4 = false;
		var isNav6 = false;
		var isIE = false;
		var is5up = false;
		//alert(navigator.appVersion);
		if (isNav) {			
			if (navigator.appVersion.search("4.") == 0) {
				isNav4 = true;
				//alert("Netscape 4.x or older");
			} else {
				isNav6 = true;
				is5up = true;
			}
		} else {
			isIE=true;
			if (navigator.appVersion.indexOf("MSIE 5")>0) {
				is5up = true;
				//alert("IE5");
			}
		}

function createLayer(name, inleft, intop, width, height, visible, content, mClass) {
    if (isNav4) {
  		inleft = inleft + 2;
		intop = intop + 2;
		document.writeln('<layer name="' + name + '" class="' + mClass + '" left=' + inleft + ' top=' + intop + ' width=' + width + ' height=' + height +  ' visibility=' + (visible ? '"show"' : '"hide"') + '>');
     	document.writeln(content);
    	document.writeln('</layer>');			
	} else if (isNav6) {
		document.writeln('<div id="' + name + '" class="' + mClass + '" style="position:relative; overflow:hidden; z-index:1; visibility:' + (visible ? 'visible;' : 'hidden;') + '">');
		document.writeln(content);
    	document.writeln('</div>');		    
	} else {		//IE
	    document.writeln('<div id="' + name + '" class="' + mClass + '" style="position:relative; overflow:hidden; z-index:1; display:' + (visible ? 'block;' : 'none;') + '">');
	    document.writeln(content);
	    document.writeln('</div>');
	}
}

function switchFolder(obj) {
	if (isNav4) {
		switch(obj) {
			case "sub1plus":
			parent.document.masterdiv.document.sub1plus.visibility = "hidden";
			parent.document.masterdiv.document.sub1minus.visibility = "visible";	
			parent.document.masterdiv.document.sub1plus.zIndex = 2;
			parent.document.masterdiv.document.sub1minus.zIndex = 1;
			break;
			case "sub1minus":
			parent.document.masterdiv.document.sub1minus.visibility = "hidden";
			parent.document.masterdiv.document.sub1plus.visibility = "visible";	
			parent.document.masterdiv.document.sub1minus.zIndex = 2;
			parent.document.masterdiv.document.sub1plus.zIndex = 1;
			break;
			case "sub2plus":
			parent.document.masterdiv.document.sub2plus.visibility = "hidden";
			parent.document.masterdiv.document.sub2minus.visibility = "visible";	
			parent.document.masterdiv.document.sub2plus.zIndex = 4;
			parent.document.masterdiv.document.sub2minus.zIndex = 3;
			break;
			case "sub2minus":
			parent.document.masterdiv.document.sub2minus.visibility = "hidden";
			parent.document.masterdiv.document.sub2plus.visibility = "visible";	
			parent.document.masterdiv.document.sub2minus.zIndex = 4;
			parent.document.masterdiv.document.sub2plus.zIndex = 3;
			break;
			case "sub3plus":
			parent.document.masterdiv.document.sub3plus.visibility = "hidden";
			parent.document.masterdiv.document.sub3minus.visibility = "visible";	
			parent.document.masterdiv.document.sub3plus.zIndex = 6;
			parent.document.masterdiv.document.sub3minus.zIndex = 5;
			break;
			case "sub3minus":
			parent.document.masterdiv.document.sub3minus.visibility = "hidden";
			parent.document.masterdiv.document.sub3plus.visibility = "visible";	
			parent.document.masterdiv.document.sub3minus.zIndex = 6;
			parent.document.masterdiv.document.sub3plus.zIndex = 5;
			break;
			case "sub4plus":
			parent.document.masterdiv.document.sub4plus.visibility = "hidden";
			parent.document.masterdiv.document.sub4minus.visibility = "visible";	
			parent.document.masterdiv.document.sub4plus.zIndex = 8;
			parent.document.masterdiv.document.sub4minus.zIndex = 7;
			break;
			case "sub4minus":
			parent.document.masterdiv.document.sub4minus.visibility = "hidden";
			parent.document.masterdiv.document.sub4plus.visibility = "visible";	
			parent.document.masterdiv.document.sub4minus.zIndex = 8;
			parent.document.masterdiv.document.sub4plus.zIndex = 7;
			break;
		}
	} else if (isNav6) {
		switch(obj) {
			case "sub1plus":
			parent.document.getElementById("sub1plus").style.visibility = "hidden";
			parent.document.getElementById("sub1minus").style.visibility = "visible";	
			parent.document.getElementById("sub1plus").style.zIndex = 2;
			parent.document.getElementById("sub1minus").style.zIndex = 1;
			break;
			case "sub1minus":
			parent.document.getElementById("sub1minus").style.visibility ="hidden";
			parent.document.getElementById("sub1plus").style.visibility ="visible";	
			parent.document.getElementById("sub1minus").style.zIndex = 2;
			parent.document.getElementById("sub1plus").style.zIndex = 1;
			break;
			case "sub2plus":
			parent.document.getElementById("sub2plus").style.visibility ="hidden";
			parent.document.getElementById("sub2minus").style.visibility ="visible";	
			parent.document.getElementById("sub2plus").style.zIndex = 4;
			parent.document.getElementById("sub2minus").style.zIndex = 3;
			break;
			case "sub2minus":
			parent.document.getElementById("sub2minus").style.visibility ="hidden";
			parent.document.getElementById("sub2plus").style.visibility ="visible";	
			parent.document.getElementById("sub2minus").style.zIndex = 4;
			parent.document.getElementById("sub2plus").style.zIndex = 3;
			break;
			case "sub3plus":
			parent.document.getElementById("sub3plus").style.visibility ="hidden";
			parent.document.getElementById("sub3minus").style.visibility ="visible";	
			parent.document.getElementById("sub3plus").style.zIndex = 6;
			parent.document.getElementById("sub3minus").style.zIndex = 5;
			break;
			case "sub3minus":
			parent.document.getElementById("sub3minus").style.visibility ="hidden";
			parent.document.getElementById("sub3plus").style.visibility ="visible";	
			parent.document.getElementById("sub3minus").style.zIndex = 6;
			parent.document.getElementById("sub3plus").style.zIndex = 5;
			break;
			case "sub4plus":
			parent.document.getElementById("sub4plus").style.visibility ="hidden";
			parent.document.getElementById("sub4minus").style.visibility ="visible";	
			parent.document.getElementById("sub4plus").style.zIndex = 8;
			parent.document.getElementById("sub4minus").style.zIndex = 7;
			break;
			case "sub4minus":
			parent.document.getElementById("sub4minus").style.visibility ="hidden";
			parent.document.getElementById("sub4plus").style.visibility ="visible";	
			parent.document.getElementById("sub4minus").style.zIndex = 8;
			parent.document.getElementById("sub4plus").style.zIndex = 7;
			break;
		}	
	} else {	//IE
		if (obj == "sub1plus") {
			parent.document.getElementById("sub1plus").style.display = "none";
			parent.document.getElementById("sub1minus").style.display = "block";	
			parent.document.getElementById("sub1plus").style.zIndex = 1;
			parent.document.getElementById("sub1minus").style.zIndex = 2;
		} else if (obj == "sub1minus") {
			parent.document.getElementById("sub1minus").style.display ="none";
			parent.document.getElementById("sub1plus").style.display ="block";	
			parent.document.getElementById("sub1minus").style.zIndex = 1;
			parent.document.getElementById("sub1plus").style.zIndex = 2;
		} else if (obj == "sub2plus") {
			parent.document.getElementById("sub2plus").style.display ="none";
			parent.document.getElementById("sub2minus").style.display ="block";	
			parent.document.getElementById("sub2plus").style.zIndex = 3;
			parent.document.getElementById("sub2minus").style.zIndex = 4;
		} else if (obj == "sub2minus") {
			parent.document.getElementById("sub2minus").style.display ="none";
			parent.document.getElementById("sub2plus").style.display ="block";	
			parent.document.getElementById("sub2minus").style.zIndex = 3;
			parent.document.getElementById("sub2plus").style.zIndex = 4;
		} else if (obj == "sub3plus") {
			parent.document.getElementById("sub3plus").style.display ="none";
			parent.document.getElementById("sub3minus").style.display ="block";	
			parent.document.getElementById("sub3plus").style.zIndex = 5;
			parent.document.getElementById("sub3minus").style.zIndex = 6;
		} else if (obj == "sub3minus") {
			parent.document.getElementById("sub3minus").style.display ="none";
			parent.document.getElementById("sub3plus").style.display ="block";	
			parent.document.getElementById("sub3minus").style.zIndex = 5;
			parent.document.getElementById("sub3plus").style.zIndex = 6;
		} else if (obj == "sub4plus") {
			parent.document.getElementById("sub4plus").style.display ="none";
			parent.document.getElementById("sub4minus").style.display ="block";	
			parent.document.getElementById("sub4plus").style.zIndex = 7;
			parent.document.getElementById("sub4minus").style.zIndex = 8;
		} else if (obj == "sub4minus") {
			parent.document.getElementById("sub4minus").style.display ="none";
			parent.document.getElementById("sub4plus").style.display ="block";	
			parent.document.getElementById("sub4minus").style.zIndex = 7;
			parent.document.getElementById("sub4plus").style.zIndex = 8;
		}
	}			
}

function switchForm(obj, fld){
	switchFolder(obj);
	if (isIE) {
		var el = parent.document.getElementById("sub"+fld);
		var ar = parent.document.getElementById("masterdiv").getElementsByTagName("div");
		if(el.style.display != "block"){ 
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="submenu")
					ar[i].style.display = "none";
			}
			el.style.display = "block";
			if (fld == 1) {
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 2) {
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 3) {
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+4+"minus");
			} else {
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
			}
		}else{
			el.style.display = "none";
		}
	}else if (isNav6) {
		var el = parent.document.getElementById("sub"+fld);
		var ar = parent.document.getElementById("masterdiv").getElementsByTagName("div");
		if(el.style.visibility != "visible"){ 
			for (var i=0; i<ar.length; i++){
				//alert(ar[i].className);
				if (ar[i].className=="submenu") {
					ar[i].style.visibility = "hidden";
					ar[i].style.height = 0;
				}
			}
			el.style.height = 170;
			el.style.visibility = "visible";
			if (fld == 1) {
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 2) {
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 3) {
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+4+"minus");
			} else {
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
			}
		}else{
			el.style.visibility = "hidden";
			el.style.height = 0;
		}
	}else if (isNav4) {
		var el = parent.document.masterdiv.document.eval("sub"+fld);
		//var ar = parent.document.masterdiv.document.sub1plus;
		if(el.visibility != "show"){ 
			for (var i=1; i<5; i++){
				if (parent.document.masterdiv.document.eval("sub"+i).name != el.name) {
					parent.document.masterdiv.document.eval("sub"+i).visibility = "hide";
				}
			}
			el.visibility = "show";
			if (fld == 1) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,230);
				parent.document.masterdiv.document.sub2minus.moveTo(5,230);
				parent.document.masterdiv.document.sub3plus.moveTo(5,270);
				parent.document.masterdiv.document.sub3minus.moveTo(5,270);
				parent.document.masterdiv.document.sub4plus.moveTo(5,310);
				parent.document.masterdiv.document.sub4minus.moveTo(5,310);
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 2) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,40);
				parent.document.masterdiv.document.sub2minus.moveTo(5,40);
				parent.document.masterdiv.document.sub3plus.moveTo(5,270);
				parent.document.masterdiv.document.sub3minus.moveTo(5,270);
				parent.document.masterdiv.document.sub4plus.moveTo(5,310);
				parent.document.masterdiv.document.sub4minus.moveTo(5,310);
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 3) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,40);
				parent.document.masterdiv.document.sub2minus.moveTo(5,40);
				parent.document.masterdiv.document.sub3plus.moveTo(5,80);
				parent.document.masterdiv.document.sub3minus.moveTo(5,80);
				parent.document.masterdiv.document.sub4plus.moveTo(5,310);
				parent.document.masterdiv.document.sub4minus.moveTo(5,310);
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 4) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,40);
				parent.document.masterdiv.document.sub2minus.moveTo(5,40);
				parent.document.masterdiv.document.sub3plus.moveTo(5,80);
				parent.document.masterdiv.document.sub3minus.moveTo(5,80);
				parent.document.masterdiv.document.sub4plus.moveTo(5,120);
				parent.document.masterdiv.document.sub4minus.moveTo(5,120);
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
			}
		}else{
			el.visibility = "hide";
			if (fld == 1) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,40);
				parent.document.masterdiv.document.sub2minus.moveTo(5,40);
				parent.document.masterdiv.document.sub3plus.moveTo(5,80);
				parent.document.masterdiv.document.sub3minus.moveTo(5,80);
				parent.document.masterdiv.document.sub4plus.moveTo(5,120);
				parent.document.masterdiv.document.sub4minus.moveTo(5,120);
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 2) {
				parent.document.masterdiv.document.sub3plus.moveTo(5,80);
				parent.document.masterdiv.document.sub3minus.moveTo(5,80);
				parent.document.masterdiv.document.sub4plus.moveTo(5,120);
				parent.document.masterdiv.document.sub4minus.moveTo(5,120);
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+3+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 3) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,40);
				parent.document.masterdiv.document.sub2minus.moveTo(5,40);
				parent.document.masterdiv.document.sub4plus.moveTo(5,120);
				parent.document.masterdiv.document.sub4minus.moveTo(5,120);
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+4+"minus");
			} else if (fld == 4) {
				parent.document.masterdiv.document.sub2plus.moveTo(5,40);
				parent.document.masterdiv.document.sub2minus.moveTo(5,40);
				parent.document.masterdiv.document.sub3plus.moveTo(5,80);
				parent.document.masterdiv.document.sub3minus.moveTo(5,80);
				switchFolder("sub"+1+"minus");
				switchFolder("sub"+2+"minus");
				switchFolder("sub"+3+"minus");
			}
		}
	}
}