//navi.js
// EVISCO AG/mz 2005-02-15
// v1.1
// init() benoetigt nun den Anfang des Pfads zu den Grafiken

var isPage = "";
var piclocation = "";

function init(picpath){
	piclocation = picpath;
	isPage = checkLocation();
	toggleNavi("click",isPage);
	
}// END init()

function checkLocation(){
	var tempStr = "";
	var hrefArr = window.location.href.split("?");
	if (hrefArr.length > 1){
		var tempArr = hrefArr[1].split("&");
		for (i=0;i<tempArr.length;i++){
			var tempInt = tempArr[i].lastIndexOf("page=");
			if (tempInt > -1){
				tempStr =  tempArr[i].slice(tempInt+5,tempArr[i].length);
			}
		}
	}
	else{
		tempStr="aktuell";
	}
	//alert(tempStr);
	return tempStr;
}// END checkLocation()

function toggleNavi(evt,cat){
	
	switch(evt){
		case "over":
			if (cat != isPage){
			document.getElementById(cat).src = piclocation+ "a_images/2nav_"+cat+"_o.gif";
			}
			break;
		case "out":
			if (cat != isPage){
				document.getElementById(cat).src = piclocation+"a_images/2nav_"+cat+".gif";
			}
			break;
		case "click":
			document.getElementById(cat).src = piclocation+"a_images/2nav_"+cat+"_o.gif";
			break;	
	}
	
}// END toggleNavi(evt,cat);