// marquee.js

function reportError(msg,url,line) {
	var str = "You have found an error as below: \n\n";
		str += "Err: " + msg + " on line: " + line;
		alert(str);
	return true;
	}
	
	window.onerror = reportError; 
	var marquee_spd = 100;
	var obj_marquee = document.getElementById("marquee");
	var repeat = null;
	var obj_marquee2 = document.getElementById("marquee2");
	var repeat2 = null;
	var obj_marquee3 = document.getElementById("marquee3");
	var repeat3 = null;
	
	
function marquee_init() {
		var obj_unit = obj_marquee.firstChild;
		var marquee_high = parseInt(obj_marquee.style.height);
		var marquee_wide = parseInt(obj_marquee.style.width);
		var unit_high = obj_unit.offsetHeight;
		var unit_wide = obj_unit.offsetWidth;
		var m = 0, n = 0, i = 0;
		var tmp = null;
			m = Math.ceil(marquee_wide / unit_wide);
			n = Math.ceil(marquee_high / unit_high);
			obj_unit.style.width = marquee_wide * (m+1);
			obj_unit.rows[0].cells[0].style.width = obj_marquee.style.width;
		for(i=0; i<m; i++) {
			tmp = obj_unit.rows[0].insertCell(-1);
			tmp.innerHTML = obj_unit.rows[0].cells[0].innerHTML;
			tmp.style.width = marquee_wide;
			tmp = null;
		}
		for(i=0; i<n; i++) {
			obj_marquee.appendChild(obj_unit.cloneNode(true));
		}
		return;
	}
function marquee_show(direction) {
	switch(direction) {
	case "up":
	if(obj_marquee.scrollTop >= obj_marquee.children[1].offsetTop) {
		obj_marquee.scrollTop -= obj_marquee.firstChild.offsetHeight;
	} else {
		obj_marquee.scrollTop++;
	}
	break;
	case "down":
	if(obj_marquee.scrollTop <= 0) {
		obj_marquee.scrollTop += obj_marquee.firstChild.offsetHeight;
	} else {
		obj_marquee.scrollTop--;
	}
	break;
	case "left":
	if(obj_marquee.scrollLeft >= obj_marquee.firstChild.rows[0].cells[0].offsetWidth) {
		obj_marquee.scrollLeft -= obj_marquee.firstChild.rows[0].cells[0].offsetWidth;
	} else {
		obj_marquee.scrollLeft++;
	}
	break;
	case "right":
	if(obj_marquee.scrollLeft <= 0) {
		obj_marquee.scrollLeft += obj_marquee.firstChild.rows[0].cells[0].offsetWidth;
	} else {
		obj_marquee.scrollLeft--;
	}
	break;
	default:
	break;
	}
	return;
	}
function marquee_doit() {
	var direction = "";
	direction = obj_marquee.getAttribute("direction");
	if(direction != null) marquee_show(direction);
	direction = obj_marquee.getAttribute("direction2");
	if(direction != null) marquee_show(direction);
	return;
	}
	
function marquee_init2() {
		var obj_unit = obj_marquee2.firstChild;
		var marquee_high = parseInt(obj_marquee2.style.height);
		var marquee_wide = parseInt(obj_marquee2.style.width);
		var unit_high = obj_unit.offsetHeight;
		var unit_wide = obj_unit.offsetWidth;
		var m = 0, n = 0, i = 0;
		var tmp = null;
			m = Math.ceil(marquee_wide / unit_wide);
			n = Math.ceil(marquee_high / unit_high);
			obj_unit.style.width = marquee_wide * (m+1);
			obj_unit.rows[0].cells[0].style.width = obj_marquee2.style.width;
		for(i=0; i<m; i++) {
			tmp = obj_unit.rows[0].insertCell(-1);
			tmp.innerHTML = obj_unit.rows[0].cells[0].innerHTML;
			tmp.style.width = marquee_wide;
			tmp = null;
		}
		for(i=0; i<n; i++) {
			obj_marquee2.appendChild(obj_unit.cloneNode(true));
		}
		return;
	}
function marquee_show2(direction) {
	switch(direction) {
	case "up":
	if(obj_marquee2.scrollTop >= obj_marquee2.children[1].offsetTop) {
		obj_marquee2.scrollTop -= obj_marquee2.firstChild.offsetHeight;
	} else {
		obj_marquee2.scrollTop++;
	}
	break;
	case "down":
	if(obj_marquee2.scrollTop <= 0) {
		obj_marquee2.scrollTop += obj_marquee2.firstChild.offsetHeight;
	} else {
		obj_marquee2.scrollTop--;
	}
	break;
	case "left":
	if(obj_marquee2.scrollLeft >= obj_marquee2.firstChild.rows[0].cells[0].offsetWidth) {
		obj_marquee2.scrollLeft -= obj_marquee2.firstChild.rows[0].cells[0].offsetWidth;
	} else {
		obj_marquee2.scrollLeft++;
	}
	break;
	case "right":
	if(obj_marquee2.scrollLeft <= 0) {
		obj_marquee2.scrollLeft += obj_marquee2.firstChild.rows[0].cells[0].offsetWidth;
	} else {
		obj_marquee2.scrollLeft--;
	}
	break;
	default:
	break;
	}
	return;
	}
function marquee_doit2() {
	var direction = "";
	direction = obj_marquee2.getAttribute("direction");
	if(direction != null) marquee_show2(direction);
	direction = obj_marquee2.getAttribute("direction2");
	if(direction != null) marquee_show2(direction);
	return;
	}
	

function start1(){
	repeat = setInterval('marquee_doit()',marquee_spd);
}

function start2(){
	repeat2 = setInterval('marquee_doit2()',marquee_spd);
}
	marquee_init();
	marquee_init2();
	
	setTimeout("start1()",1000);
	setTimeout("start2()",2000);
	
	marquee.onmouseover = function() {clearInterval(repeat);}
	marquee.onmouseout = function() {repeat=setInterval("marquee_doit()",marquee_spd);}
	
	marquee2.onmouseover = function() {clearInterval(repeat2);}
	marquee2.onmouseout = function() {repeat2=setInterval("marquee_doit2()",marquee_spd);}