function navihide(nid) {

	var objre = document.getElementById("nav"+nid) ;
	objre.style.visibility = "hidden" ;
}


function naviset(nid) {

	var objre = document.getElementById("nav"+nid) ;
	objre.style.visibility = "visible" ;
}

function orderset(nid,cbox) {

	var objre = document.getElementById(nid) ;

	if ( cbox.checked ) {
		objre.style.display = "block" ;
	} else {
		objre.style.display = "none" ;
	}
}

function wopen(link,wi,he) {
	
	var width=wi; var height=he;
	var l=(screen.availWidth-width)/2;
	var t=(screen.availHeight-height)/2;
    wincom=window.open(link ,"oswin","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width="+wi+",height="+he+",screenX="+l+",screenY="+t+",left="+l+",top="+t);
    
    if (wincom) {
    	wincom.focus() ;
	} else {
		alert(statustext) ;
	}
}


function dellink(link,btext) {

	Check = confirm(btext);

	if(Check == false) {
		return ;
	} else {
		window.open(link,'_self') ;
	}
}


function changebutton(s) {
	
    window.Bestellung.obutton.value = "Bitte warten ... und diesen Button nur 1x klicken !!!!";
    
    if (SEND==1) {
    	
    	alert("Sie haben die Bestellung bereits abgeschickt, bitte warten Sie auf Antwort des Shop-Servers !") ;
    	return false ;
    	
    } else {
    	
    	SEND=1 ;
    	return true ;
    }
}


function fielddel(f) {

	if (f.value == f.defaultValue) {
	
		f.value = "" ;
	}
}


function fieldset(f) {

	if (f.value == "") {
		
		f.value = f.defaultValue ;
	}
}


function fieldemp(f) {

	if (f.sbeg.value == f.sbeg.defaultValue) {
		
		f.sbeg.value = "" ;
	}
}


function tabbgcolor(tabid,hrefid){
	
	var to = document.getElementById(tabid) ;
	var hr = document.getElementById(hrefid) ;
	
	hr.className = 'os_head_navi2_active' ;
}