function showHide(show,group)
{	
	for(var i=0;i<group.length;i++)
	{	
		if(group[i] == show)
		{
			document.getElementById(group[i]).style.display = "block";
			document.getElementById(group[i]).disabled 		= false;
		}
		else
		{
			document.getElementById(group[i]).style.display = "none";
			document.getElementById(group[i]).disabled 		= true;
		}
	}
}

function clear_populate(default_val, object, event)
{
	switch(event)
	{
		case "clear":
			if(object.value == default_val)
				object.value = "";
			break;
		case "populate":
			if(object.value == "")
				object.value = default_val;
			break;
	}
}

function set_img_src(img,src)
{
	img.src = src;
}

function set_input_text_val(id,val)
{
	document.getElementById(id).value = val;
}

function clear_text()
{
	var args = clear_text.arguments;
	for(var i=0;i<args.length;i++)
		document.getElementById(args[i]).value = '';
}

function uncheck_checkboxes()
{
	var args = uncheck_checkboxes.arguments;
	for(var i=0;i<args.length;i++)
		document.getElementById(args[i]).checked = false;
}

function check_checkboxes()
{
	var args = check_checkboxes.arguments;
	for(var i=0;i<args.length;i++)
		document.getElementById(args[i]).checked = true;
}

function clean_more_info_form()
{
	var name 	 = document.getElementById('name').value;
	var phone 	 = document.getElementById('phone').value;
	var company  = document.getElementById('company').value;
	var email 	 = document.getElementById('email').value;
	var comments = document.getElementById('comments').value;
	
	if(name 	== "Your name") 				document.getElementById('name').value 		= "";
	if(phone 	== "Phone number") 				document.getElementById('phone').value 		= "";
	if(company 	== "Company") 					document.getElementById('company').value 	= "";
	if(email 	== "Email address") 			document.getElementById('email').value 		= "";
	if(comments == "Your question or comment") 	document.getElementById('comments').value 	= "";
}

jQuery.preloadImages = function()
{
  for(var i = 0; i<arguments.length; i++)
  {
    jQuery("<img>").attr("src", arguments[i]);
  }
}