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];}
}

function switchMenu(obj) {    
	var el = document.getElementById(obj);    
	if ( el.style.display != "none" ) 
		{      el.style.display = 'none';    }    
	else 
		{      el.style.display = 'block';    }  
}  

function hide() {    
	document.getElementById("toggle").style.display='none';
	document.getElementById("toggle2").style.display='none';
	document.getElementById("toggle3").style.display='none';
	document.getElementById("toggle4").style.display='none';
	document.getElementById("toggle5").style.display='none';
	document.getElementById("toggle6").style.display='none';
} 

function changeColor(idObj,colorObj)  {
	document.getElementById(idObj.id).style.color = colorObj;    
}

function validate_required(field,alerttxt) {
    with (field) {
        if (value==null||value=="") {
            alert(alerttxt);return false;
        }
        else {
            return true;
        }
    }
}

function validate_form(thisform) {
    with (thisform) {
		if (validate_required(first,"Please enter your first name.")==false) {
			first.focus(); return false;
		}
        else if (validate_required(last,"Please enter your last name.")==false) {
			last.focus(); return false;
		}
		else if (validate_required(email,"Please enter your email address.")==false) {
			email.focus(); return false;
		}		
    }
}

function validate_bid(thisform) {
    with (thisform) {
		if (validate_required(name,"Please enter your name.")==false) {
			name.focus(); return false;
		}        
		else if (validate_required(email,"Please enter your email address.")==false) {
			email.focus(); return false;
		}
		else if (validate_required(org,"Please enter your organization.")==false) {
			org.focus(); return false;
		}
		else if (validate_required(bid,"Please enter your bid.")==false) {
			bid.focus(); return false;
		}
    }
}