function sendRequest(url, parameters, elemid, handle) {
	http.open('get', url+'?'+parameters);
	globalvar.id = elemid;
	if(handle == 'true') {http.onreadystatechange = handleResponse;}
	http.send(null);   
}

function handleResponse() {
	if(http.readyState == 4 && http.status == 200){
		var response = http.responseText;
		if(response) {
			document.getElementById(globalvar.id).innerHTML = response;
		}
	}
	if(http.readyState == 1) {
		loading(document.getElementById(globalvar.id));
	}
}

function getStyle(el, styleProp) {
	//gets rendered style of element
	var x = el;
	if (x.currentStyle)
		var y = x.currentStyle[styleProp];
	else if (window.getComputedStyle)
		var y = document.defaultView.getComputedStyle(x, null).getPropertyValue(styleProp);
	return y;
}