var isNav4, isNav6, isIE4;
/*
 * Browser version snooper; determines your browser
 * (Navigator 4, Navigator 6, or Internet Explorer 4/5)
 */
function setBrowser(){
	if (navigator.appVersion.charAt(0) == "4"){
		if (navigator.appName.indexOf("Explorer") >= 0){
			isIE4 = true;
		}else{
			isNav4 = true;
		}
	}else if (navigator.appVersion.charAt(0) > "4"){
		isNav6 = true;
	}
}
function nav( divNum,divTot ){
	var id = 0;
	var display = "";
	var i = divTot;
	var j = divTot;
	
	while (i > 0){
		setIdProperty("sub" + i, "display", "none");
		i--;
	}
/*	while (j > 0){
		if(j != divNum){
			setIdProperty("head" + j, "display", "inline");
			setIdProperty("headp" + j, "display", "none");			
		}else{
			setIdProperty("headp" + divNum, "display", "inline");
			setIdProperty("head" + divNum, "display", "none");			
		}
		j--;
	}		*/
	
	
	setIdProperty("sub" + divNum, "display", "block");
	
}
function navi( divNum,divTot ){
	var id = 0;
	var display = "";
	var i = divTot;
	var j = divTot;
	
	while (i > 0){
		setIdProperty("sub" + i, "display", "none");
		i--;
	}
	

	setIdProperty("sub" + divNum, "display", "block");
	
}
function setIdProperty(id, property, value){
	if (isNav6){
		var styleObject = document.getElementById( id );
		if (styleObject != null){
			styleObject = styleObject.style;
			styleObject[ property ] = value;
		}
	}else if (isNav4){
		document[id][property] = value;
	}else if (isIE4){
		document.all[id].style[property] = value;
	}
}