function get_mouse_pos(event){
    event = event || window.event;
    mouse = new Object(0);
    mouse.x, mouse.y = 0;
	
	//get the scroll poss
	var ScrollTop = document.body.scrollTop;
	if (ScrollTop == 0) {	
		if (window.pageYOffset) 
			ScrollTop = window.pageYOffset;
		else 
			ScrollTop = (document.body.parentElement) ? document.body.parentElement.scrollTop : 0;
	}
	
	var ScrollLeft= document.body.scrollLeft;
	if (ScrollLeft == 0) {	
		if (window.pageXOffset) 
			ScrollLeft = window.pageXOffset;
		else 
			ScrollLeft = (document.body.parentElement) ? document.body.parentElement.scrollLeft : 0;
	}
   
   //get the mouse pos
    if (event.clientX) { //if IE
        mouse.x = event.clientX + document.body.scrollLeft + ScrollLeft;
        mouse.y = event.clientY + document.body.scrollTop + ScrollTop;
    }
    else {
        mouse.x = event.pageX + ScrollLeft;
        mouse.y = event.pageY + ScrollTop;
    }
   
    return [mouse.x, mouse.y];
       
}

mouse_log = new Object();
mouse_log_length = 0;

function log_mouse(e){
    mouse = get_mouse_pos(e);
    mouse.x = mouse[0];
    mouse.y = mouse[1];
   
    mouse_log[mouse_log_length] = mouse;
    mouse_log_length++;
   
    message = "x: " + mouse.x + " y: " + mouse.y + "\n";

    output = document.getElementById('debug')
    //output.value = message + output.value;
   
    //setTimeout("log_mouse()",100);

}

function get_ajax(){
	if (window.XMLHttpRequest) { // Non-IE browsers
		return new XMLHttpRequest();
	}
	else if (window.ActiveXObject) { // IE
		return new ActiveXObject("Microsoft.XMLHTTP");
	}
	
}
Ajax = get_ajax();

function save_mouse(){
    y_output = "";
    x_output = "";
   
    for(i=0; i<mouse_log_length; i++){
        y_output += mouse_log[i].y + ",";
        x_output += mouse_log[i].x + ",";
    }
	
	//get window dimentions
	if (parseInt(navigator.appVersion)>3) {
		if (navigator.appName=="Netscape") {
			winW = window.innerWidth;
			winH = window.innerHeight;
		}
		if (navigator.appName.indexOf("Microsoft")!=-1) {
			winW = document.body.offsetWidth;
			winH = document.body.offsetHeight;
		}
	}

	
	var url = "tracking/save_mouse.php";
	var params = "x=" + x_output + "&y=" + y_output + "&page=" + page + "&winW=" + winW + "&winH=" + winH;
	Ajax.open("POST", url, true);

	//Send the proper header information along with the request
	Ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	Ajax.setRequestHeader("Content-length", params.length);
	Ajax.setRequestHeader("Connection", "close");
	
	//send the request
	Ajax.send(params);
}

function log_click(e){
    if (e.which == null){/* IE case */
		button= (e.button < 2) ? "l" :
				((e.button == 4) ? "m" : "r");
	}
	else{/* All others */
		button= (e.which < 2) ? "l" :
				((e.which == 2) ? "m" : "r");
	}
	
    mouse = get_mouse_pos(e);
    mouse.x = button + mouse[0];
    mouse.y = button + mouse[1];
   
    mouse_log[mouse_log_length] = mouse;
    mouse_log_length++;
   
    message = "x: " + mouse.x + " y: " + mouse.y + "\n";

    output = document.getElementById('debug')
    //output.value = message + output.value;
   
    //setTimeout("log_mouse()",100);

}