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 chkvalidate()
{
 with(window.document.frmaboutus){
	 if(txtCompany.value=='')
	 	{
			alert("Enter Company Name!");
			txtCompany.focus();
	 		return false;
		 }
		 
	 if(txtFirstName.value=='')
	 	{
	 		alert("Enter First Name!") ;
			txtFirstName.focus();
	 		return false;
	 	}
	 if(txtLastName.value=='')
	 	{
	 		alert("Enter Last Name!") ;
			txtLastName.focus();
	 		return false;
	 	}
		if(txtHomePhone.value=='')
	 	{
	 		alert("Enter Home Phone!") ;
			txtHomePhone.focus();
	 		return false;
	 	}
		if(txtEmail.value=='')
	 	{
	 		alert("Enter E-mail!") ;
			txtEmail.focus();
	 		return false;
	 	}
	
	
	 if(!IsEmail(txtEmail.value))
	 {
	 alert("Enter Your E-mail Address");
	 txtEmail.focus();
	 return false;
	 }
	 
	 if(captcha_vcode.value == "") {
	 	alert("Enter security image code!") ;
		captcha_vcode.focus();
		return false;
	 }
	}
 }