
<!-- detect browser 
NS4 = (document.layers) ? 1 : 0; 
IE4 = (document.all) ? 1 : 0; 
// W3C stands for the W3C standard 
W3C = (document.getElementById) ? 1 : 0; 

function makeVisible ( name ) { 
var ele; 

if ( W3C ) { 
ele = document.getElementById(name); 
} else if ( NS4 ) { 
ele = document.layers[name]; 
} else { // IE4 
ele = document.all[name]; 
} 

if ( NS4 ) { 
ele.visibility = "show"; 
} else { // IE4 & W3C & Mozilla 
ele.style.visibility = "visible"; 
ele.style.display = "inline"; 
} 
} 

function makeInvisible ( name ) { 
if (W3C) { 
document.getElementById(name).style.visibility = "hidden"; 
document.getElementById(name).style.display = "none"; 
} else if (NS4) { 
document.layers[name].visibility = "hide"; 
} else { 
document.all[name].style.visibility = "hidden"; 
document.all[name].style.style.display = "none"; 
} 
} 

function toggleTab(tab_name) {
	if(tab_name==1) {
		document.getElementById('tab_select').style.backgroundImage='url("../images/select_tab_on.jpg")';
		document.getElementById(2).src='images/search_arrow_unselected.gif';
		document.getElementById(3).src='images/search_arrow_unselected.gif';
		document.getElementById('menu-one').style.display='block';
		document.getElementById('menu-two').style.display='none';
		document.getElementById('menu-three').style.display='none';	
		document.getElementById('link-1').style.color='#000000';
		document.getElementById('link-2').style.color='#6D6C6C';
		document.getElementById('link-3').style.color='#6D6C6C';			
	}else if(tab_name==2) {
		document.getElementById('tab_select').style.backgroundImage='url("../images/search_tab_on.jpg")';
		document.getElementById(1).src='images/search_arrow_unselected.gif';
		document.getElementById(3).src='images/search_arrow_unselected.gif';
		document.getElementById('menu-one').style.display='none';
		document.getElementById('menu-two').style.display='block';
		document.getElementById('menu-three').style.display='none';
		document.getElementById('link-1').style.color='#6D6C6C';
		document.getElementById('link-2').style.color='#000000';
		document.getElementById('link-3').style.color='#6D6C6C';
	}else{
		document.getElementById('tab_select').style.backgroundImage='url("../images/terms_tab_on.jpg")';
		document.getElementById(1).src='images/search_arrow_unselected.gif';
		document.getElementById(2).src='images/search_arrow_unselected.gif';
		document.getElementById('menu-one').style.display='none';
		document.getElementById('menu-two').style.display='none';
		document.getElementById('menu-three').style.display='block';
		document.getElementById('link-1').style.color='#6D6C6C';
		document.getElementById('link-2').style.color='#6D6C6C';
		document.getElementById('link-3').style.color='#000000';	
	}
	document.getElementById(tab_name).src='images/search_arrow_selected.gif';
	
	
	// show divs
	
}
-->