function ShowOrHide(id) {
	var item = null;
	if (document.getElementById) {
		item = document.getElementById(id);
	} else if (document.all){
		item = document.all[id];
	} else if (document.layers){
		item = document.layers[id];
	}
	if (!item) {
	}else 	if (item.style) {
			if (item.style.display == "none"){ item.style.display = ""; 
		}else{
			item.style.display = "none"; 
		}
	}else{ 
		item.visibility = "show"; 
	}
}


function ShowOrHideEx(id, show) {
	var item = null;
	if (document.getElementById) {
		item = document.getElementById(id);
	} else if (document.all) {
		item = document.all[id];
	} else if (document.layers){
		item = document.layers[id];
	}
        if (item && item.style) {
		item.style.display = show ? "" : "none";
	}
}

function ConfirmQuession(quession, url_yes){
	if(confirm(quession)){
	    	document.location=url_yes;
	}
}