var numCooperations=15;
 var numCollaborators=44;

 var IE5=false;
 var NN4=false;
 var NN6=false;

 if(document.all) IE5=true;
 else if(document.layers) NN4=true;
 else if(document.getElementById) NN6=true;

 function init() {
        showLegend();
        hideCooperation();
        hideCollaborators();	
 }
  
function showLegend() {

        if(NN4) eval("document.LEGEND.visibility='visible'");
        if(IE5) eval("document.all.LEGEND.style.visibility='visible'");
        if(NN6) eval("document.getElementById('LEGEND').style.visibility='visible'");
 }

function hideCooperation() {

        for(i=1; i<numCooperations; i++) {
                if(NN4) eval("document.cooperation"+i+".visibility='hidden'");
                if(IE5) eval("document.all.cooperation"+i+".style.visibility='hidden'");
                if(NN6) eval("document.getElementById('cooperation"+i+"').style.visibility='hidden'");
        }
 } 

 function showCooperation( number ) {

        for(i=1; i<numCooperations; i++) {
                if(NN4) eval("document.cooperation"+i+".visibility='hidden'");
                if(IE5) eval("document.all.cooperation"+i+".style.visibility='hidden'");
                if(NN6) eval("document.getElementById('cooperation"+i+"').style.visibility='hidden'");
        }

        if(NN4) eval("document.cooperation"+number+".visibility='visible'");
        if(IE5) eval("document.all.cooperation"+number+".style.visibility='visible'");
        if(NN6) eval("document.getElementById('cooperation"+number+"').style.visibility='visible'");
 }
 
function showCooperationsAll() {

        for(i=1; i<numCooperations; i++) {
                if(NN4) eval("document.cooperation"+i+".visibility='visible'");
                if(IE5) eval("document.all.cooperation"+i+".style.visibility='visible'");
                if(NN6) eval("document.getElementById('cooperation"+i+"').style.visibility='visible'");
        }
 } 

function hideCollaborators() {

        for(i=1; i<numCollaborators; i++) {
                if(NN4) eval("document.collaborator"+i+".visibility='hidden'");
                if(IE5) eval("document.all.collaborator"+i+".style.visibility='hidden'");
                if(NN6) eval("document.getElementById('collaborator"+i+"').style.visibility='hidden'");
        }
 } 

function showCollaborators( number ) {

	        for(i=1; i<numCollaborators; i++) {
                if(NN4) eval("document.collaborator"+i+".visibility='hidden'");
                if(IE5) eval("document.all.collaborator"+i+".style.visibility='hidden'");
                if(NN6) eval("document.getElementById('collaborator"+i+"').style.visibility='hidden'");
        }

        if(NN4) eval("document.collaborator"+number+".visibility='visible'");
        if(IE5) eval("document.all.collaborator"+number+".style.visibility='visible'");
        if(NN6) eval("document.getElementById('collaborator"+number+"').style.visibility='visible'");
}

function openCoop()
{
	window.open( 'popup_cooperations.html','popup','width=800,height=700,scrollbars=no,resizable=yes,copyhistory=no,toolbar=no,status=yes') 
	return false;
}

function update() {
	if ( document.formular.abstractText.value.length > 1400 ){
		alert( 'Sorrym, maximum length of textarea reached.' );
		document.formular.abstractText.value = document.formular.abstractText.value.substring(0,1400);
	}
}