// JavaScript Document
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_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_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];}
}

window.onLoad = MM_preloadImages('images/bu1_home_over.jpg','images/bu2_about_over.jpg','images/bu3_products_over.jpg','images/bu4_applications_over.jpg','images/bu5_contact_over.jpg');

function my_get(id)
{
	var tag = null;
	if (document.getElementById) {
		tag = document.getElementById(id);
	} else if (document.all) {
		tag = document.all[id];
	} else if (document.layers) {
		tag = document.layers[id];
	}
	return tag;
}

//This function will hide or show an element that is passed to it. If the second parameter is true then it will not hide the element, only show it.
function displayDiv(which,mode){
prefix = my_get(which);
if(prefix.style.display=="block"){
	prefix.style.display = "none";
} else {
	prefix.style.display = "block";
}

}