function initialize(cats){
	shrink_all(cats);
}

function expand_all(cats) {
        var im_name;
	if(document.getElementById){
		for(var i = 1; i <= cats; i++){
		    im_name = 'im_cat_' + i;   //document.write('im_' + i);
		    if(document.getElementById('cat_'+i)){
                       document.getElementById('cat_'+i).style.display="block";
                       document[im_name].src = "images/minus.jpg";
                    }
		}
	}else if(document.layers){
		for(var i = 1; i <= cats; i++){
			var obj = 'cat_'+i;
                        im_name = 'im_cat_' + i;
                    if(document.obj){
                       document.obj.display="block";
                       document[im_name].src = "images/minus.jpg";
                    }
		}
	}else {
		for(var i = 1; i <= cats; i++){
		    var obj = 'cat_'+i;
		    im_name = 'im_cat_' + i;
                    if(document.all.add_note){ 
                       document.all.add_note.style.display="block";
                       document[im_name].src = "images/minus.jpg";
                    }
		}
	}
}

function shrink_all(cats) {
        var im_name;
	if(document.getElementById){
		for(var i = 1; i <= cats; i++){
		    im_name = 'im_cat_' + i;
		    if(document.getElementById('cat_'+i)){ 
                       document.getElementById('cat_'+i).style.display="none";
                       document[im_name].src = "images/plus.jpg"; 
                }
		}
	}else if(document.layers){
		for(var i = 1; i <= cats; i++){
		    var obj = 'cat_'+i;
                    im_name = 'im_cat_' + i;
                    if(document.obj){
                       document.obj.display="none";
                       document[im_name].src = "images/plus.jpg";
                    }
		}
	}else{
		for(var i = 1; i <= cats; i++){
		    var obj = 'cat_'+i;
		    im_name = 'im_cat_' + i; 
                    if(document.all.add_note){
                       document.all.add_note.style.display="none";
                       document[im_name].src = "images/plus.jpg";
                    }
		}
	}
}

function div_display(id){
        var im_name = "im_" + id;
	if(document.getElementById){
		if(document.getElementById(id).style.display=="none"){
                   document.getElementById(id).style.display="block";
                   document[im_name].src = "images/minus.jpg";
                }
		else{
                   document.getElementById(id).style.display="none";
                   document[im_name].src = "images/plus.jpg";
                }
	}else if(document.layers){
		if(document.id.display=="none"){ 
                   document.id.display="block";
                   document[im_name].src = "images/minus.jpg";
                   }
		else{ 
                   document.all.id.style.display="none";
                   document[im_name].src = "images/plus.jpg";
                }
	}else{
		if(document.all.id.style.display=="none"){ 
                   document.all.id.style.display="block";
                   document[im_name].src = "images/minus.jpg";
                }
		else{ 
                   document.all.id.style.display="none";
                   document[im_name].src = "images/plus.jpg";
                }
	}
}