// JavaScript Document
function show_ssnav(a,b,c){ 

    var currentLi = document.getElementById("li_selected").innerHTML;
    if(currentLi != c || b=='block')
        document.getElementById(a).style.display=b;
    if(b == 'block')
        document.getElementById('nav_'+c).className='nav_on';
    else
        document.getElementById('nav_'+c).className='';
        
	if(currentLi != "" && currentLi != c)
	{
	    if(b == 'block')
            document.getElementById("ssnav_"+currentLi).style.display='none';
        else
            document.getElementById("ssnav_"+currentLi).style.display='block';
	}
}
function chooseValues(idSelect) {

	myOptions = document.getElementById(idSelect).getElementsByTagName('div')[0];

	if(myOptions.style.display!='block'){

		myOptions.style.display = 'block';

	}

	else{

		myOptions.style.display = 'none';

	}

}

function checkValue(idSelect,idField,newValue) {

	myLink = document.getElementById(idSelect).getElementsByTagName('a')[0];

	clickedLink = document.getElementById(idSelect+'_'+newValue);

	myField = document.getElementById(idField);

	myField.value = newValue;

	myLink.innerHTML = clickedLink.innerHTML;

	chooseValues(idSelect);

}