var scroll_content1 = '';
var scroll_content2 = '';
var scroll_content3 = '';
var scroll_content4 = '';

// Scroll Up - Scroll Down
function scroll_up(scroll_obj) {
	if (scroll_content2!='')
		clearInterval(scroll_content2);
	scroll_content1 = setInterval("go_scroll_up('"+scroll_obj+"')",50);
}
function go_scroll_up(scroll_obj) {
	var s1 = document.getElementById(scroll_obj);
	var t = s1.scrollTop;
	s1.scrollTop += 1;
	if (s1.scrollTop == t) {
		clearInterval(scroll_content1);
	}
}
function scroll_down(scroll_obj) {
	if (scroll_content1!='')
		clearInterval(scroll_content1);
	scroll_content2 = setInterval("go_scroll_down('"+scroll_obj+"')",10);
}
function go_scroll_down(scroll_obj) {
	var s1 = document.getElementById(scroll_obj);
	var t = s1.scrollTop;
	s1.scrollTop -= 10;
	if (s1.scrollTop == 0) {
		clearInterval(scroll_content2);
	}
}
// Scroll Left - Scroll Right
function scroll_right(scroll_obj) {
	if (scroll_content4!='')
		clearInterval(scroll_content4);
	scroll_content3 = setInterval("go_scroll_right('"+scroll_obj+"')",50);
}
function go_scroll_right(scroll_obj) {
	var s1 = document.getElementById(scroll_obj);
	var t = s1.scrollLeft;
	s1.scrollLeft += 10;
	if (s1.scrollLeft == t) {
		clearInterval(scroll_content3);
	}
}
function scroll_left(scroll_obj) {
	if (scroll_content3!='')
		clearInterval(scroll_content3);
	scroll_content4 = setInterval("go_scroll_left('"+scroll_obj+"')",50);
}
function go_scroll_left(scroll_obj) {
	var s1 = document.getElementById(scroll_obj);
	var t = s1.scrollLeft;
	s1.scrollLeft -= 10;
	if (s1.scrollLeft == 0) {
		clearInterval(scroll_content4);
	}
}
function stop_scroll(scroll_obj) {
	clearInterval(scroll_content3);
	clearInterval(scroll_content4);
}
function scrollTop() {
	var t;
	if (document.compatMode == "CSS1Compat") {
		t = document.body.parentNode.scrollTop;
	} else {
		t = document.body.scrollTop;
	}
	if (t>0) {
		scroll_top = setInterval("goScroll()",10);
	}
}
function goScroll() {
	var t;
	if (document.compatMode == "CSS1Compat") {
		t = document.body.parentNode.scrollTop;
	} else {
		t = document.body.scrollTop;
	}
	if (t>0) {
		t = t - 100;
		window.scrollTo(0,t);
	} else {
		clearInterval(scroll_top);
	}
}