function toggle(id){
    ulElement = document.getElementById(id);
    if (ulElement){
            if (ulElement.className == 'closed'){
                    ulElement.className = "open";
                    }else{
                    ulElement.className = "closed";
                    }
            }
    }
    
function pointer_on(){
	img_point.src = "img/img_pointer.gif";
	}
	
function pointer_off(){
	img_point.src = "img/img_pointer_off.gif";
	}


function zkart(id)
{
	if(document.getElementById('krt1'))
		document.getElementById('krt1').style.display='none';
	if(document.getElementById('krt2'))
		document.getElementById('krt2').style.display='none';
	if(document.getElementById('krt3'))
		document.getElementById('krt3').style.display='none';
	if(document.getElementById('krt4'))
		document.getElementById('krt4').style.display='none';
	if(document.getElementById('krt'+id))
		document.getElementById('krt'+id).style.display='block';
	if(document.getElementById('kzak_1'))
		document.getElementById('kzak_1').className='product-bookmark';
	if(document.getElementById('kzak_2'))
		document.getElementById('kzak_2').className='product-bookmark';
	if(document.getElementById('kzak_3'))
		document.getElementById('kzak_3').className='product-bookmark';
	if(document.getElementById('kzak_4'))
		document.getElementById('kzak_4').className='product-bookmark';
	if(document.getElementById('kzak_'+id))
		document.getElementById('kzak_'+id).className='product-bookmark-true';

}