function showProject(pid) {

	//Hide all projects
	document.getElementById('p_wko').className          = 'hidden';
	document.getElementById('p_skandia').className      = 'hidden';
	document.getElementById('p_gruene').className       = 'hidden';
	document.getElementById('p_gaffa').className        = 'hidden';
	document.getElementById('p_sportmagazin').className = 'hidden';
	document.getElementById('p_kapsch').className       = 'hidden';
	
	//Remove active state from all Links
	document.getElementById('a_p_wko').className          = 'inactive';
	document.getElementById('a_p_skandia').className      = 'inactive';
	document.getElementById('a_p_gruene').className       = 'inactive';
	document.getElementById('a_p_gaffa').className        = 'inactive';
	document.getElementById('a_p_sportmagazin').className = 'inactive';
	document.getElementById('a_p_kapsch').className       = 'inactive';
	
	document.getElementById(pid).className = 'visible';
    document.getElementById('a_'+pid).className = 'active';
	
	}

//IE leaks memory like crazy with this code :

/*

function showProject(pid) {
    var i, a, pbrowser, project, linkid, linkclass;
    pbrowser = document.getElementById('pbrowser');
    linkid = 'a_'+pid;
    
    //Hide all projects
    for(i=0; (project = pbrowser.getElementsByTagName('div')[i]); i++) {
        project.className = 'hidden';
    }
    
    //Remove active state from all Links
    for(i=0; (project = pbrowser.getElementsByTagName('a')[i]); i++) {
        linkclass = project.getAttribute('class')
        if(linkclass != 'link_pdf' && linkclass != 'link_more') { project.className = '';}
    }

    document.getElementById(pid).className = 'visible';
    document.getElementById(linkid).className = 'active';
}

function showDetails(id, frameid) {
    var i, a, proj_frame, project, linkid, imgid, linkclass;
    proj_frame = document.getElementById(frameid);
    linkid = 'a_'+id;
    imgid = 'img_'+id;
    
    //Hide all images & blurbs
    for(i=0; (image = proj_frame.getElementsByTagName('img')[i]); i++) {
        image.className = 'hidden';
    }
    
    for(i=0; (project_text = proj_frame.getElementsByClass('project_text')[i]); i++) {
        project_text.className = 'hidden'; // Probleme mit Klasse zurŸcksetzen??
    }
    
    //Remove active state from all Links
    for(i=0; (project = proj_frame.getElementsByTagName('a')[i]); i++) {
        linkclass = project.getAttribute('class')
        if(linkclass != 'link_pdf' && linkclass != 'link_more') { project.className = '';}
    }

    document.getElementById(imgid).className = 'visible';
    document.getElementById(linkid).className = 'active';
}

*/