function highlight(link) { link.className = "nav1_highlighted"; }
function fade(link) { link.className = "nav1"; }

function highlight_cart(link) { link.className = "nav1_highlighted"; 
                                 document.cart.src="images/cart_dark.gif";}
function fade_cart(link) { link.className = "nav1"; 
                             document.cart.src="images/cart.gif";}
							 
							 
function highlight_bg(link) { link.className = "top_nav_link_highlited"; }
function fade_bg(link) { link.className = "top_nav_link"; }


function change_color_advanced()
{document.getElementById("advansed_search").style.color="#FFFFFF";
 document.getElementById("a_advansed_search").style.textDecoration="underline";
 document.getElementById("a_advansed_search").style.color="#D88E90";}
function change_back_adanced()
{document.getElementById("advansed_search").style.color="#FFF";
 document.getElementById("a_advansed_search").style.textDecoration="none";
 document.getElementById("a_advansed_search").style.color="#D5615C";}
 
function change_color_help()
{document.getElementById("search_help").style.color="#FFFFFF";
 document.getElementById("a_search_help").style.textDecoration="underline";
 document.getElementById("a_search_help").style.color="#D88E90";}
function change_back_help()
{document.getElementById("search_help").style.color="#FFF";
 document.getElementById("a_search_help").style.textDecoration="none";
 document.getElementById("a_search_help").style.color="#D5615C";}

function change_link(link)
{link.style.textDecoration='underline';
 link.style.color='#EFC6C7'}
function back_change_link(link)
{link.style.textDecoration='none';
 link.style.color='#D5615C'}

function change_span(tagName)
{tagName.style.color='#C01d21';
}
function back_change_span(tagName)
{tagName.style.color='#D5615C';
}

function change_manufacturers(tagName)
{tagName.src='images/top_menu/manufacturers_0.gif';
}
function back_change_manufacturers(tagName)
{tagName.src='images/top_menu/manufacturers_1.gif';
}

function change_resources(tagName)
{tagName.src='images/top_menu/resources_0.gif';
}
function back_change_resources(tagName)
{tagName.src='images/top_menu/resources_1.gif';
}

function change_about_us(tagName)
{tagName.src='images/top_menu/about_us_0.gif';
}
function back_change_about_us(tagName)
{tagName.src='images/top_menu/about_us_1.gif';
}
function change_description()
{
	document.getElementById('description').style.backgroundImage="url(images/grey_tab.gif)";
	document.getElementById('description').style.color="#575757";
	document.getElementById('description_content').style.display="block";
	document.getElementById('specs').style.backgroundImage="none";
	document.getElementById('specs').style.color="#898989";
	document.getElementById('specs_content').style.display="none";
}

function change_specs()
{
	document.getElementById('specs').style.backgroundImage="url(images/grey_tab.gif)";
	document.getElementById('specs').style.color="#575757";
	document.getElementById('specs_content').style.display="block";
	document.getElementById('description').style.backgroundImage="none";
	document.getElementById('description').style.color="#898989";
	document.getElementById('description_content').style.display="none";
}