//changes visibility of div
function showHide(div,flag,on, img,open,close){
    if(!flag) flag = 0;
    if(!document.getElementById(div)) return;
    s = document.getElementById(div).style;
    if(on){
        if(on!=1) res = 0;
        else res = 1;
    }
    else{
        if(flag) vis = (s.display != 'none');
        else vis = (s.display == 'block');
        res = vis ? 0 : 1;
    }
    s.display = res ? 'block' : 'none';
    
    //swap img
    image = document.getElementById(img);
    if(image){
        if(image.src && open && close){
            image.src = res ? open : close;
        }
    }
    
    return ((s.display=='block') ? 1 : 0);
}

function setFocus(id){
	element=document.getElementById(id);
	setTimeout("element.focus();",500);
}

function confirmAndGo(msg,url){
	if(confirm(msg)){
		self.location=url;
	} else {
		return false;
	}
}

function addTag(tag){
	var obj=document.getElementById("Tags");

	if(obj.value.length>1){
		obj.value=obj.value+", ";
	}
	obj.value=obj.value+tag;
}