var ie = (document.all) ? true : false
var ns = (document.layers) ? true : false
var ns6 = (!document.all && document.getElementById) ? true : false;

function preload(imgObj,imgSrc) {
	if (document.images) {
		eval(imgObj+' = new Image()')
		eval(imgObj+'.src = "'+imgSrc+'"')
	}
}
preload('n_who_on','/site/images/n_who_on.gif')
preload('n_who_off','/site/images/n_who_off.gif')
preload('n_what_on','/site/images/n_what_on.gif')
preload('n_what_off','/site/images/n_what_off.gif')
preload('n_how_on','/site/images/n_how_on.gif')
preload('n_how_off','/site/images/n_how_off.gif')
preload('n_our_on','/site/images/n_our_on.gif')
preload('n_our_off','/site/images/n_our_off.gif')
preload('n_martins_on','/site/images/n_martins_on.gif')
preload('n_martins_off','/site/images/n_martins_off.gif')
preload('n_client_on','/site/images/n_client_on.gif')
preload('n_client_off','/site/images/n_client_off.gif')
preload('n_links_on','/site/images/n_links_on.gif')
preload('n_links_off','/site/images/n_links_off.gif')
preload('n_contact_on','/site/images/n_contact_on.gif')
preload('n_contact_off','/site/images/n_contact_off.gif')
preload('n_submit_on','/site/images/submit_on.gif')
preload('n_submit_off','/site/images/submit_off.gif')
preload('bullet_br_on','/site/images/bullet_br_on.gif')
preload('bullet_br_off','/site/images/bullet_br_off.gif')



function chgImg(imgField,newImg) {
	if (ns) {eval('document.images[imgField].src = '+newImg+'.src')}
	if (ie) {document[imgField].src = eval(newImg+'.src')}
	if (ns6) {document.images[imgField].src = eval(newImg+'.src');}
}

function popup(winurl){
	window.open(winurl,"Redwood","height=600,width=458,menubar=0,resizeable=0,location=0,scrollbars=1,status=0,titlebar=0,toolbar=0");
}
function popupCredits(){
	window.open("/site/credits.html","Redwood","height=200,width=250,menubar=0,resizeable=0,location=0,scrollbars=0,status=0,titlebar=0,toolbar=0");
}
function changeLinks(setID) {

	setID = "l" + setID;

	if (lastID == 'undefined') { lastID="l1" ;document.getElementById("c1").style.color='#463F38';document.getElementById("c1").style.textDecoration='none'; };

	if (ns) {
		document.images['l1'].src = bullet_br_off.src;
		document.images['l2'].src = bullet_br_off.src;
		document.images['l3'].src = bullet_br_off.src;
		document.images['l4'].src = bullet_br_off.src;
		document.images['l5'].src = bullet_br_off.src;
		document.images['l6'].src = bullet_br_off.src;
		document.images[setID].src = bullet_br_on.src;

	}
	if (ie) {
		newImg = "bullet_br_off";
		document['l1'].src = eval(newImg+'.src');	
		document['l2'].src = eval(newImg+'.src');	
		document['l3'].src = eval(newImg+'.src');	
		document['l4'].src = eval(newImg+'.src');	
		document['l5'].src = eval(newImg+'.src');	
		document['l6'].src = eval(newImg+'.src');	

		newImg = "bullet_br_on";
		document[setID].src = eval(newImg+'.src');
		
	}
	if (ns6) {
		document.images['l1'].src = bullet_br_off.src;
		document.images['l2'].src = bullet_br_off.src;
		document.images['l3'].src = bullet_br_off.src;
		document.images['l4'].src = bullet_br_off.src;
		document.images['l5'].src = bullet_br_off.src;
		document.images['l6'].src = bullet_br_off.src;
		document.images[setID].src = bullet_br_on.src;	
	}

	if (setID != "l1") { 
		document.getElementById("c1").style.color='#394E59';
		document.getElementById("c1").style.textDecoration='underline';
		document.getElementById("f1").style.display='none'; 
	} else { 
		document.getElementById("c1").style.color='#463F38';
		document.getElementById("c1").style.textDecoration='none';
		document.getElementById("f1").style.display='block'; 
		lastID = "1"; 
	}
	if (setID != "l2") { document.getElementById("c2").style.color='#394E59';document.getElementById("c2").style.textDecoration='underline';document.getElementById("f2").style.display='none'; } else { document.getElementById("c2").style.color='#463F38';document.getElementById("c2").style.textDecoration='none';document.getElementById("f2").style.display='block'; lastID = "2"; }
	if (setID != "l3") { document.getElementById("c3").style.color='#394E59';document.getElementById("c3").style.textDecoration='underline';document.getElementById("f3").style.display='none'; } else { document.getElementById("c3").style.color='#463F38';document.getElementById("c3").style.textDecoration='none';document.getElementById("f3").style.display='block'; lastID = "3"; }
	if (setID != "l4") { document.getElementById("c4").style.color='#394E59';document.getElementById("c4").style.textDecoration='underline';document.getElementById("f4").style.display='none'; } else { document.getElementById("c4").style.color='#463F38';document.getElementById("c4").style.textDecoration='none';document.getElementById("f4").style.display='block'; lastID = "4"; }
	if (setID != "l5") { document.getElementById("c5").style.color='#394E59';document.getElementById("c5").style.textDecoration='underline';document.getElementById("f5").style.display='none'; } else { document.getElementById("c5").style.color='#463F38';document.getElementById("c5").style.textDecoration='none';document.getElementById("f5").style.display='block'; lastID = "5"; }
	if (setID != "l6") { document.getElementById("c6").style.color='#394E59';document.getElementById("c6").style.textDecoration='underline';document.getElementById("f6").style.display='none'; } else { document.getElementById("c6").style.color='#463F38';document.getElementById("c6").style.textDecoration='none';document.getElementById("f6").style.display='block'; lastID = "6"; }

		
}