/* ======================================================================
JavaScript Source File
NAME: LayerSwitch.js
AUTHOR: GPALI
PURPOSE: Browserchek und LayerSwitch ( fuer ie 4up und ns4.xx/ns6 ) 
====================================================================== */


   // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav5 = (is_nav && (is_major == 5));
    var is_nav5up = (is_nav && (is_major >= 5));

    var is_ie   = (agt.indexOf("msie") != -1);
    var is_ie3  = (is_ie && (is_major < 4));
    var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) );
    var is_ie4up  = (is_ie  && (is_major >= 4));
    var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4);


	this.zeigeEbeneMenueNr	= CItem_zeigeMenueNr
	this.zeigen	= CItem_zeigen
	this.verbergen	= CItem_verbergen



	var paramName = "";
	var counterVarName = new Array();
	counterVarName[paramName] = new Array();	
	
function CItem_zeigeMenueNr(imgParam, menue_nr){
	paramName = imgParam;
	if (counterVarName[paramName] == null ) {
   	counterVarName[paramName] = 0;
	}

//	verbergen(eval('"' + paramName + counterVarName[paramName] +'"'));
	window.currentTimer = window.setTimeout("verbergen('" + paramName +  counterVarName[paramName] + "')", 5);
//	zeigen(eval('"' + paramName +  menue_nr +'"'));
	window.currentTimer = window.setTimeout("zeigen('" + paramName +  menue_nr + "')", 5);
	counterVarName[paramName] =  menue_nr; 
}


	
function CItem_zeigen(name) {
	if (is_nav5up){
		document.getElementById(''+name).style.visibility = "visible"
    }	    
	if (is_nav4) {
		document.layers[''+name].visibility = "show";		    		
    }
	if (is_ie4up ){
		document.all[''+name].style.visibility = "visible";
   }
}



function CItem_verbergen(name) {
	if (is_nav5up){
		document.getElementById(''+name).style.visibility = "hidden"
	}
	if (is_nav4){
		document.layers[''+name].visibility = "hide";
   }
	if (is_ie4up ){
	   document.all[''+name].style.visibility = "hidden";
   }
}

var oldButtonName = "";

function switchButton(buttonName) {

	if ( oldButtonName != "" ) {

		oldUsedStyleClass = document.getElementById(oldButtonName).className;
		document.getElementById(oldButtonName).className = oldUsedStyleClass.replace(/over/,'');      
	}
	usedStyleClass = document.getElementById(buttonName).className;
	document.getElementById(buttonName).className = usedStyleClass + 'over';
	oldButtonName = buttonName;
}
 
 function linie(x){
 if (document.all) x.blur();
}