// JavaScript Document
/* ################################ GENERIC RANDOM BACKGROUND IMAGE ############################## */
/* This function changes the background image of the header, if no Javascript leaves the defaut in */

var n = 0;
function ChangeCSSBgImg() {
	if (!document.getElementById) return false;
	
	var MyElement = "header" //The ID of the element you want to change
//	var ImgPath = "http://mediafiles.thedms.co.uk/publication/ys-brad/headers/bradford/" //The file path to your images
	
	if (!document.getElementById(MyElement)) return false;
	
	var random_images = new Array ();
	random_images[0] = "/pics/header1.jpg";
	random_images[1] = "/pics/header3.jpg";
	random_images[2] = "/pics/header4.jpg";
	random_images[3] = "/pics/header2.jpg";
	random_images[4] = "/pics/header5.jpg";
	
	var random_text = new Array ();
	random_text[0] = 'Minera Roof Trusses can deliver your project to site, small or large in 5 working days. <br><a href="http://www.minera-rooftrusses.com/quotes.html"><font color=#F0D000><font-family:"Arial, Helvetica, sans-serif">Click here to fill in an online quotation form';
	random_text[1] = 'Minera are the experts in <a href="http://www.minera-rooftrusses.com/trusses.html"><font color=#F0D000><font-family:"Arial, Helvetica, sans-serif">Attic Trusses</a><font color=#FFFFFF> (Room in roof) developments. By working hard with the client, we can utilise the most room possible for now or for your future.</font>';
	random_text[2] = 'Now we can provide you an engineered timber floor joist system. The <a href="http://www.minera-rooftrusses.com/floor.html"><font color=#F0D000><font-family:"Arial, Helvetica, sans-serif">I-Joist</a><font color=#FFFFFF> or for easy installation of services, the </font><a href="http://www.minera-rooftrusses.com/ecojoist.html"><font color=#F0D000><font-family:"Arial, Helvetica, sans-serif">Open Metal Web</a><font color=#FFFFFF> (Ecojoist) Engineered Floor Joist.</font>';
	random_text[3] = 'Building a home or extending shouldnt be too stressful. We are here to help by supplying detailed drawings plus we are only a <a href="http://www.minera-rooftrusses.com/contacts.html"><font color=#F0D000><font-family:"Arial, Helvetica, sans-serif">telephone call or email away.</a>';
	random_text[4] = 'With a wide range of <a href="http://www.minera-rooftrusses.com/technical.html"><font color=#F0D000><font-family:"Arial, Helvetica, sans-serif">technical support documents</a><font color=#FFFFFF> please explore the website and allow us to help you. Minera Roof Trusses wont keep you waiting.</font>';
   
	var $header = document.getElementById(MyElement);
	var $backgroundurl = $header.style.backgroundImage;
//	var ImgURL = "url(" + ImgPath + random_images[rand(random_images.length)] + ")";
//	var ImgURL = "url(" + random_images[rand(random_images.length)] + ")";
	var ImgURL = "url(" + random_images[n] + ")";
	
//	setInnerText('transinfo2', random_text[n])

//document.getElementById('transinfo2').innerHTML ='<strong>Hello World!</strong>';

document.getElementById('transinfo2').innerHTML =random_text[n];

   if (n<4) n=n+1; else n=0;


	if ($backgroundurl != ImgURL) {
		$header.style.backgroundImage = ImgURL;	
	}















	
	movement = setTimeout("ChangeCSSBgImg()",9000);
}



var n2 = 0;
function ChangeCSSBg2Img() {
	if (!document.getElementById) return false;
	
	var MyElement = "header2" //The ID of the element you want to change
//	var ImgPath = "http://mediafiles.thedms.co.uk/publication/ys-brad/headers/bradford/" //The file path to your images
	
	if (!document.getElementById(MyElement)) return false;
	
	var random_images = new Array ();
	random_images[0] = "/pageimages/advert1.gif";
	random_images[1] = "/pageimages/advert2.gif";
	random_images[2] = "/pageimages/advert3.gif";
	random_images[3] = "/pageimages/advert4.gif";
	random_images[4] = "/pageimages/advert5.gif";
	random_images[5] = "/pageimages/advert6.gif";
	
   
	var $header = document.getElementById(MyElement);
	var $backgroundurl = $header.style.backgroundImage;
//	var ImgURL = "url(" + ImgPath + random_images[rand(random_images.length)] + ")";
//	var ImgURL = "url(" + random_images[rand(random_images.length)] + ")";
	var ImgURL = "url(" + random_images[n2] + ")";
	
//	setInnerText('transinfo2', random_text[n])

//document.getElementById('transinfo2').innerHTML ='<strong>Hello World!</strong>';


   if (n2<5) n2=n2+1; else n2=0;


	if ($backgroundurl != ImgURL) {
		$header.style.backgroundImage = ImgURL;	
	}















	
	movement = setTimeout("ChangeCSSBg2Img()",3000);
}



function setInnerText (elementId, text) {
var element;
if (document.getElementById) {
element = document.getElementById(elementId);
}
else if (document.all) {
element = document.all[elementId];
}
if (element) {
if (typeof element.textContent != 'undefined') {
element.textContent = text;
}
else if (typeof element.innerText != 'undefined') {
element.innerText = text;
}
else if (typeof element.removeChild != 'undefined') {
while (element.hasChildNodes()) {
element.removeChild(element.lastChild);
}
element.appendChild(document.createTextNode(text)) ;
}
}
}





/* random number generator */
function rand(n) {
  return ( Math.floor ( Math.random ( ) * n ) );
}

/* Custom onload function */
function addLoadEvent(func) {
  n=0;
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}
/* trigger onload */
addLoadEvent(ChangeCSSBg2Img);
addLoadEvent(ChangeCSSBgImg);




function roll_over(img_name,img_src)
{document[img_name].src=img_src;}
function md(e)
{try{if(event.button==2||event.button==3)return false;}
catch(e){if(e.which==3)return false;}}
document.oncontextmenu=function(){return false;}
document.ondragstart=function(){return false;}
document.onmousedown=md;