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];}
}
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];}}
}
/* menu ul code  fix for ie 6*/
function ie6ul(){
	if(self.MM_preloadImages){
		var browserName=navigator.appName; 
		var browserVer=parseInt(navigator.appVersion); 
		if (browserName=="Microsoft Internet Explorer" && browserVer <= 7) {
			var navelements = document.getElementsByClassName('ulnav');
			for (j=0; j < navelements.length; j++) {
				navRoot = navelements[j];
				for (i=0; i<navRoot.childNodes.length; i++) {
					node = navRoot.childNodes[i];
					if (node.nodeName=="LI") {
						node.onmouseover=function() { this.className+=" over"; }
						node.onmouseout=function() {this.className=this.className.replace(" over", "");}
					}
				}
			}
		}
	}
}
// Tab swapping code for homepage
var currenttab;
function iSwapTab(tabnumber){
	if(currenttab != tabnumber){
	switch(tabnumber){
		case 1:	//restore and switch
				$('c1').addClassName('b1');
				$('c1').removeClassName('b2');
				$('c1').removeClassName('b3');
				document.iitab2.src = 'images/nav/itabs_r1_c2.gif';
				document.iitab3.src = 'images/nav/itabs_r1_c3.gif';
				$('itab2').hide();	
				$('itab3').hide();
				document.iitab1.src = 'images/nav/itabs_r1_c1_f2.gif';
				$('itab1').show();
			break;
		case 2:	//restore and switch
				$('c1').removeClassName('b1');
				$('c1').addClassName('b2');
				$('c1').removeClassName('b3');
				
				document.iitab1.src = 'images/nav/itabs_r1_c1.gif';
				document.iitab3.src = 'images/nav/itabs_r1_c3.gif';
				$('itab1').hide();	
				$('itab3').hide();
				document.iitab2.src = 'images/nav/itabs_r1_c2_f2.gif';
				$('itab2').show();
			break;
		case 3:	//restore and switch
				$('c1').removeClassName('b1');
				$('c1').removeClassName('b2');
				$('c1').addClassName('b3');
			
				document.iitab1.src = 'images/nav/itabs_r1_c1.gif';
				document.iitab2.src = 'images/nav/itabs_r1_c2.gif';
				$('itab1').hide();	
				$('itab2').hide();
				document.iitab3.src = 'images/nav/itabs_r1_c3_f2.gif';
				$('itab3').show();
			break;
	}
	currenttab = tabnumber;
	}
}

//document preloader 
onload = function(){
	ie6ul();
	if($('iitab1')){
		iSwapTab(1);
	}
}


function MM_validateForm() { //v4.0
  if (document.getElementById){
    var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
    for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=document.getElementById(args[i]);
      if (val) { nm=val.name; if ((val=val.value)!="") {
        if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
          if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
        } else if (test!='R') { num = parseFloat(val);
          if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
          if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
            min=test.substring(8,p); max=test.substring(p+1);
            if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
      } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
    } if (errors) alert('The following error(s) occurred:\n'+errors);
    document.MM_returnValue = (errors == '');
} }