function setMainW(W){
	document.getElementById("table1").width=W;

}

function sure(name){
	var answer = confirm("Really delete '" +  name + "' and all its children?");
	if (answer){
		return true;
	}
	else{
		return false;
	}

}

function changeSRC(id,url){
	document.getElementById(id).src=url;
}