function swapCSS(id, css) {
		var obj = document.getElementById(id);
		obj.className = css;
}

function swapImage(id, path) {
    var obj = document.getElementById(id);
	obj.src = path;
}

function show(id, type) {
    var element = document.getElementById(id);
    element.style.opacity = 1;
    if (type) {
        element.style.display = type;
    }else{
        element.style.display = "inline";
    }
}

function hide(id) {
    var element = document.getElementById(id);
    element.style.display = "none";
    element.style.opacity = 0;
}

function openWindow(url, id, params)
{
    var win = window.open(url, id, params);
}

function request(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i=0;i<vars.length;i++)
	{
		var pair = vars[i].split("=");
		if (pair[0] == variable)
		{
		  return pair[1];
		}
	} 
}