// JavaScript Document

function toggle(id) {
     var state = document.getElementById(id).style.display;
	if (state == 'block') {
		document.getElementById(id).style.display = 'none';
	} else {
		document.getElementById(id).style.display = 'block';
	}
}

function onNav(id){
     clearAll();
     toggleOn(id);
}

function toggleOff(id){
     document.getElementById(id).style.display = 'none';
}

function toggleOn(id){
     var item = document.getElementById(id);
     
     if(item){
          item.style.display = 'block';
          
          var cnt = document.getElementById('xxsubnav');
     
     
          var browserName=navigator.appName;
          var browserVer=parseInt(navigator.appVersion);
          
          //alert( browserName+' '+ browserVer);
          
          if (browserName=="Microsoft Internet Explorer"){
               if (window.XMLHttpRequest) {

                    if(cnt){
                         cnt.style.marginTop = "0px";
                    }
               
               }
          
          }
     
     }
}


//----------------------------------------------------------------//

function clearAll(){
     toggleOff('about');
     toggleOff('products');
     toggleOff('clients');
     
     var cnt = document.getElementById('xxsubnav');
          
     if(cnt){
          cnt.style.marginTop = "0px";
     }
}

//----------------------------------------------------------------//



//----------------------------------------------------------------//


<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
//-->

MM_preloadImages('/images/find-us-btn-hv.jpg','/images/int-header-base.jpg','/images/design-btn-hv.gif','/images/installation-btn-hv.gif','/images/maintenance-btn-hv.gif','/images/pro-chem-btn-hv.gif','/images/sports-turf-btn-hv.gif','/images/ask-experts-btn-hv.gif')