/*
*************************************
* (c) 2005-12-02 by AdOptimize
* M.E. Koch http://www.AdOptimize.de
*************************************
*/

	var w3c = 0;
	var ie = 0;
	var ns = 0;
    var obj_show = 1;
    var mzm = 'mailto:';
	if(document.getElementById) w3c = 1;
	else if (document.all) ie = 1;
	else { 
		browserVersion = parseInt(navigator.appVersion); 
		if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) ns = 1; 
	}
	
	function getlayer(lname,lstyle) {
		if(lstyle == 1) {
			if (w3c) if(dc = document.getElementById(lname)) return(dc.style);
			else if (ie) if(dc = document.all[lname]) return (dc.style); 
			else if (ns) if(dc = document.layers[lname]) return (dc);
		} else {
			if (w3c) if(dc = document.getElementById(lname)) return (dc); 
			else if (ie) if((dc = document.all[lname])) return (dc); 
			else if (ns) if(dc = document.layers[lname]) return (dc);
		}
	}
	
	function menu_high(obj) {
		if(objs = getlayer(obj.id + '_block',1))
		    objs.backgroundColor= 'rgb(0, 103, 77)';
	}

	function menu_low(obj) {
		if(objs = getlayer(obj.id + '_block',1))
		    objs.backgroundColor= 'rgb(255, 255, 255)';
	}

    var adr_obj = '';
    // Adressobject which is shown and maybe hidden

    function translayer(obj) {
        if(obj.id + '_adr' != adr_obj) {
            if(adr_obj!= '') {
                objold = getlayer(obj.id + '_adr', 1);
                objtrs.visibility = 'hidden'; 
                objtrs.display = 'none';
            }
        }
        objhide = getlayer('intro_hide', 1);
        objhide.visibility = 'hidden'; 
        objhide.display = 'none';

        objtrs = getlayer(obj.id + '_adr', 1);
        objtrs.visibility = 'visible'; 
        objtrs.display = 'block';
        adr_obj = obj.id + '_adr';
    } // ENDE translayer


    var cont_men_img_id; 
    // image of a content-element to be changed 

    function change_img(obj,adr) {
        if(adr== 'adr') translayer(obj);
        if(!obj) {
            objid   = cont_men_img_id;
            filesub = 'off.gif';
            if(obj_show == objid) filesub = 'over.gif';
        } else {
            objid   = obj.id;
            filesub = 'over.gif';
        }
		objs = getlayer(objid + '_img',2);
        objs.src = objs.src.replace(/-(.*)/,'') + '-' + filesub; 
        cont_men_img_id= objid;
    } 
    // ENDE change_img


    function show_adr(obj, adr)  {
        if(adr== 'adr') translayer(obj);
		// objs = getlayer(objid + '_img',2);
        // objs.src = objs.src.replace(/-(.*)/,'') + '-' + filesub; 
        // cont_men_img_id= objid;
    } // ENDE show_adr


    function show_listing_thumb(obj) {
        if(obj_show!= 1) {
            objt = getlayer(obj_show + '_div', 1);
            objt.visibility = 'hidden';
            objt.position= 'absolute';
            // cont_men_img_id = obj_show;
            objp = getlayer(obj_show, 2);
            objp.className= 'content_menu'; 
        }
        objs = getlayer(obj.id + '_div', 1);
        objs.visibility = 'visible'; 
        objs.position= 'static'; 
        objs.display= 'block'; 
        obj_show = obj.id;
        objp = getlayer(obj.id, 2);
        objp.className= 'content_menu_high'; 

        //change_img();
    } 

    function show_listing(obj) {
        if(obj_show!= 1) {
            objt = getlayer(obj_show + '_div', 1);
            objt.visibility = 'hidden';
            // cont_men_img_id = obj_show;
            objp = getlayer(obj_show, 2);
            objp.className= 'content_menu'; 
        }
        objs = getlayer(obj.id + '_div', 1);
        objs.visibility = 'visible'; 
        obj_show = obj.id;
        objp = getlayer(obj.id, 2);
        objp.className= 'content_menu_high'; 

        //change_img();
    } 
    // ENDE show_listing

    function check_login_form() {
        // checking the submit form
        if((document.forms.login.bname!= '') && (document.forms.login.pass!= '')) document.forms.login.submit();
    }

    function none() {}