 <!--  HIDE
 bName=navigator.appName;  bVer=parseInt(navigator.appVersion);
 if(bName=="Netscape" && bVer >= 3) version="n3";
 else if (bName=="Microsoft Internet Explorer" && bVer>=4) version="n3";
 else version="n2";
 var darkened_pics = new Array(); var lighted_pics = new Array();
 function preloadButtonSet(num,dark,light){  if(version=="n3") {
   darkened_pics[num] = new Image();  darkened_pics[num].src = dark;
   lighted_pics[num] = new Image(); lighted_pics[num].src = light; } }
 preloadButtonSet(0,"../images/buttons/b-home-off.gif",      "../images/buttons/b-home-on.gif");
 preloadButtonSet( 1,"../images/buttons/b-about-off.gif",    "../images/buttons/b-about-on.gif");
 preloadButtonSet( 2,"../images/buttons/b-contact-off.gif",  "../images/buttons/b-contact-on.gif");
 preloadButtonSet( 3,"../images/buttons/b-estimates-off.gif","../images/buttons/b-estimates-on.gif");
 preloadButtonSet( 4,"../images/buttons/b-repairs-off.gif",  "../images/buttons/b-repairs-on.gif");
 preloadButtonSet( 5,"../images/buttons/b-testimonials-off.gif","../images/buttons/b-testimonials-on.gif");
 preloadButtonSet( 6,"../images/buttons/b-tips-off.gif",     "../images/buttons/b-tips-on.gif");
 preloadButtonSet( 7,"../images/buttons/b-warranty-off.gif", "../images/buttons/b-warranty-on.gif");
 preloadButtonSet( 8,"../images/buttons/b-concrete-off.gif", "../images/buttons/b-concrete-on.gif");
 preloadButtonSet( 9,"../images/buttons/b-steel-off.gif",    "../images/buttons/b-steel-on.gif");
 preloadButtonSet(10,"../images/buttons/b-drilled-off.gif",  "../images/buttons/b-drilled-on.gif");
 preloadButtonSet(11,"../images/buttons/b-specialty-off.gif","../images/buttons/b-specialty-on.gif");
 function lighten(num) { if(version=="n3") {if (document.images)
   eval("document.button"+num+".src = lighted_pics["+num+"].src;");
   return false; } }
 function darken(num) { if(version=="n3") { if (document.images)
   eval("document.button"+num+".src = darkened_pics["+num+"].src;");
   return false; } }
//END HIDE-->