function send_w_ajax(data, file, target) {

	data = data.replace(/&/g,'[and]');
	data = data.replace(/\+/g,'[plus]');

	var xmlHttp=null;

	if (window.XMLHttpRequest) {

		xmlHttp=new XMLHttpRequest();

	} else if (window.ActiveXObject) {

		xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");

	}

  	xmlHttp.onreadystatechange=function() {

		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") { 

			document.getElementById(target).innerHTML=xmlHttp.responseText;

		} 

	}

	xmlHttp.open("POST", file, true);

	if(data != 'NULL') {

		xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
		xmlHttp.send("data=" + data);

	} else {

		xmlHttp.send(null);

	}

}

function show_det(num) {

	if(document.getElementById('det_' + num).style.display == "none") {
	
		document.getElementById('det_' + num).style.display = "";
		
	} else {
	
		document.getElementById('det_' + num).style.display = "none";
	
	}
	
}