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];}
}

var arr_images = new Array(0);
		arr_images[0] = "image1.jpg";
		arr_images[1] = "image2.jpg";
		arr_images[2] = "image3.jpg";
		arr_images[3] = "image4.jpg";
		arr_images[4] = "image5.jpg";
		arr_images[5] = "image6.jpg";
		
		
function rotator() {
		var randomnumber = Math.floor(Math.random()*arr_images.length)
		document.getElementById("header_img").src = "sitepix/nav_image_swaps/" + arr_images[randomnumber];
		setTimeout("rotator()",2500);
}
		
function checkFields(){
	missinginfo = "";
	if (document.frm_contact.str_name.value == "") {
	missinginfo += "\n     -  Name";
	}
	
	if (document.frm_contact.str_company.value == "") {
	missinginfo += "\n     -  Company";
	}
	
	if ((document.frm_contact.str_email.value == "") || 
	(document.frm_contact.str_email.value.indexOf('@') == -1) || 
	(document.frm_contact.str_email.value.indexOf('.') == -1)) {
	missinginfo += "\n     -  Email Address";
	}
	
	if (document.frm_contact.str_tel.value == "") {
	missinginfo += "\n     -  Telephone";
	}
	
	if (missinginfo != "") {
	missinginfo ="_____________________________\n" +
	"You failed to correctly fill in your:\n" +
	missinginfo + "\n_____________________________" +
	"\nPlease re-enter and submit again!";
	alert(missinginfo);
	return false;
	}
	return true;
}

function checkSearch(){
	var str_searchtext = document.frm_search.str_searchtext.value;
	str_searchtext = str_searchtext.replace(' ','');
	if(str_searchtext!=0){
		return true;
	}
	else return false;
}