if (document.images) {
   
     button1 = new Image
     button2 = new Image
	 
     button3 = new Image
     button4 = new Image
	 
     button5 = new Image
     button6 = new Image
	 
     button7 = new Image
     button8 = new Image
	 
     button9 = new Image
     button10 = new Image	 
	 
     button11 = new Image
     button12 = new Image

	 
	 
     button1.src = 'images/new-build.jpg'
     button2.src = 'images/new-build-hvr.jpg'
	 
	 button3.src = 'images/existing.jpg'
     button4.src = 'images/existing-hvr.jpg'
	 
     button5.src = 'images/insulation.jpg'
     button6.src = 'images/insulation-hvr.jpg'
	 
     button7.src = 'images/benefits.jpg'
     button8.src = 'images/benefits-hvr.jpg'
	 
     button9.src = 'images/grants.jpg'
     button10.src = 'images/grants-hvr.jpg'
	 
     button11.src = 'images/certification.jpg'
     button12.src = 'images/certification-hvr.jpg'
}


function hidemail(){
document.write('<a h'+'ref="m'+'ailt'+'o:'+'%69%6E%66%6F%40%77%61%72%6D%6E%63%6F%73%79%68%6F%6D%65%73%2E%69%65" class="email">&#105;&#110;&#102;&#111;&#64;&#119;&#97;&#114;&#109;&#110;&#99;&#111;&#115;&#121;&#104;&#111;&#109;&#101;&#115;&#46;&#105;&#101;</a>');
}