// JavaScript Document

var dd_timer_id;

function show_dropdown(dropdown){
	clearTimeout(dd_timer_id);
	hide_dropdowns();

	if(dropdown != ''){
		dd = document.getElementById(dropdown);
		dd.style.display = "block";
	}
}

function hide_dropdowns(){
	dd = document.getElementById("products-dd");
	dd.style.display = "none";
	dd = document.getElementById("product-support-dd");
	dd.style.display = "none";
	dd = document.getElementById("literature-and-video-dd");
	dd.style.display = "none";
	dd = document.getElementById("about-us-dd");
	dd.style.display = "none";
}

function hide_dropdowns_timer(){
	dd_timer_id = setTimeout("hide_dropdowns()", 500);
}

function stop_timer(){
	clearTimeout(dd_timer_id);
}

function show_hidden_fields(dropdown, field_prefix, no_of_fields){
	for(x = 1; x <= no_of_fields; x++){
		if(x <= dropdown.value){
			document.getElementById(field_prefix+x).style.display = 'block';
			if(document.getElementById(field_prefix+x+"-2"))
				document.getElementById(field_prefix+x+"-2").style.display = 'block';
		} else {
			document.getElementById(field_prefix+x).style.display = 'none';
			if(document.getElementById(field_prefix+x+"-2"))
				document.getElementById(field_prefix+x+"-2").style.display = 'none';
		}
	}
}