/********************\
 )		nav.js		(
<					 >
 )	::jack	11/2006	(
\********************/
if (document.images)
{
  image1= new Image(); 
  image1.src="/tsi/images/nav_bg_wells.jpg"; 
  image2= new Image(); 
  image2.src="/tsi/images/nav_ro_wells.jpg"; 
  
  image3= new Image(); 
  image3.src="/tsi/images/nav_bg_sales.jpg"; 
  image4= new Image(); 
  image4.src="/tsi/images/nav_ro_sales.jpg"; 
  
  image5= new Image(); 
  image5.src="/tsi/images/nav_bg_service.jpg"; 
  
  image6= new Image(); 
  image6.src="/tsi/images/nav_ro_service.jpg"; 
  
  image7= new Image(); 
  image7.src="/tsi/images/nav_bg_parts.jpg"; 

  image8= new Image(); 
  image8.src="/tsi/images/nav_ro_parts.jpg"; 
  
  image9= new Image(); 
  image9.src="/tsi/images/nav_bg_rental.jpg"; 

  image10= new Image(); 
  image10.src="/tsi/images/nav_ro_rental.jpg"; 
  
  image11= new Image(); 
  image11.src="/tsi/images/nav_bg_company.jpg"; 

  image12= new Image(); 
  image12.src="/tsi/images/nav_ro_company.jpg"; 
}

function alertID(elem) {
	elem=document.getElementById(elem)
	var txt="Id: " + elem.id
	txt=txt + ", type: " + elem.type
	txt=txt + ", value: " + elem.value
	txt=txt + ", innerHTML: " + elem.innerHTML
	alert(txt)
	elem.disabled=true
}


/********************\
 )		subnav		(
\********************/
function toggleOn(id,lnk,imageName,image) {	
	//safe function to show an element with a specified id
	
	var x=document.getElementById(id)
	
	if (document.getElementById) { // DOM3 = IE5, NS6
		x.style.display = 'block';
	} else {
		if (document.layers) { // Netscape 4
		alertID(id);
			document.id.display = 'block';
		}
		else { // IE 4
			document.all.id.style.display = 'block';
		}
	}
	toggleRO(imageName,image);
}
function toggleOff(id,lnk,imageName,image) {
	var x=document.getElementById(id)
	//safe function to hide an element with a specified id
	if (document.getElementById) { // DOM3 = IE5, NS6
		x.style.display = 'none';
	}
	else {
		if (document.layers) { // Netscape 4
			document.id.display = 'none';
		}
		else { // IE 4
			document.all.id.style.display = 'none';
		}
	}
	toggleRO(imageName,image);
}

function toggleRO(imageName,image){
		document[imageName].src= image;
}
function highlight(lnk, color) {
			var bgColor = color;
			document.getElementById(lnk).style.background = bgColor;
}
function highlightOff(lnk,type) {
	document.getElementById(lnk).style.color='#333333';
	document.getElementById(lnk).style.background='none';
}
/********************\
 )		/subnav		(
\********************/


		function getRandomSubImage(){
			var randomNumber = Math.floor(Math.random()*15);
			
			document.write('<img src="/images/random/sub_image'+(randomNumber+1)+'.jpg">');
		}