var browserName=navigator.appName; 


function nextImage(ul_text_id) {
	var ul_text_obj = document.getElementById(ul_text_id);
	if (!ul_text_obj) return;
	
	var max_text = -(ul_text_obj.getElementsByTagName("li").length*scr_width);
	
	if (max_text == -scr_width) return;
	
	if (browserName=="Microsoft Internet Explorer")	{
		var pos_text = parseInt(ul_text_obj.offsetLeft)-scr_width;
	}
	else{
		var pos_text = parseInt(ul_text_obj.getStyle('left'))-scr_width;
	}

	if (pos_text == max_text) pos_text = 0;
	
	if (browserName=="Microsoft Internet Explorer")	{
		ul_text_obj.style.left = pos_text;
	}
	else{
		ul_text_obj.setStyle('left', pos_text);
	}
	
	var count = ul_text_obj.getElementsByTagName("li").length-1;
	

}

function prevImage(ul_text_id) {
	var ul_text_obj = document.getElementById(ul_text_id);
	if (!ul_text_obj) return;
	
	var min = 0;
	var min_text = 0;
	var max_text = -(ul_text_obj.getElementsByTagName("li").length-1)*scr_width;
	
	if (max_text == -scr_width) return;
	
	if (browserName=="Microsoft Internet Explorer")	{var pos_text = parseInt(ul_text_obj.offsetLeft)+scr_width;}
	else{var pos_text = parseInt(ul_text_obj.getStyle('left'))+scr_width;}
	
	if (pos_text > min_text) pos_text = max_text;
	
	if (browserName=="Microsoft Internet Explorer")	{
		ul_text_obj.style.left = pos_text;
	}
	else{
		ul_text_obj.setStyle('left', pos_text);
	}
	
}
function reset (id1, id2, id3, id4) {
	var obj1 = document.getElementById(id1);
	var obj2 = document.getElementById(id2);
	var obj3 = document.getElementById(id3);
	var obj4 = document.getElementById(id4);
	
	if (obj1) obj1.value = '';
	if (obj2) obj2.value = '';
	if (obj3) obj3.value = '';
	if (obj4) obj4.value = '';
}