<!--
// Courtesy of SimplytheBest.net - http://simplythebest.net/scripts/
      if (document.images) {
            img01on = new Image();          
            img01on.src = "images/step1mo.jpg";   
            img02on = new Image();          
            img02on.src = "images/step2mo.jpg";     		
            img03on = new Image();          
            img03on.src = "images/step3mo.jpg";    
            img04on = new Image();          
            img04on.src = "images/step4mo.jpg";    
            // Active Images (rollover)
			  
			  img01off = new Image();          
            img01off.src = "images/step1.jpg";   
            img02off = new Image();          
            img02off.src = "images/step2.jpg";     		
            img03off = new Image();          
            img03off.src = "images/step3.jpg";    
            img04off = new Image();          
            img04off.src = "images/step4.jpg";    
           // INactive Images
			  
			img01ad = new Image();         
            img01ad.src = "images/measurestep1.jpg";      
            img02ad = new Image();         
            img02ad.src = "images/measurestep2.jpg";
            img03ad = new Image();         
            img03ad.src = "images/measurestep3.jpg";       
            img04ad = new Image();         
            img04ad.src = "images/measurestep4.jpg";      
           // Secondary popup Images
        }
// Function to 'activate' images.
function imgOn(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "on.src");
            document["measurestep"].src = eval(imgName + "ad.src");
        }
}
// Function to 'deactivate' images.
function imgOff(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "off.src");
            document["measurestep"].src = "images/measurestep1.jpg"; // Initially loaded Secondary popup Image
        }
}
// -->