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 trim(txt)
 {
 	var len=txt.length;
	var let,ret="";
	for(i=0;i< len;i++)
	 {
		let=txt.substr(i,1);
		if(let!=" ")
		  ret=ret+let;
	 }
	return ret;
 }

function checkFields()
 {
	var frm=document.contactform;
	var err="";
	if(trim(frm.name.value)=="")
	  err=err+"\nYour Name.";
	if(trim(frm.email.value)=="")
	  err=err+"\nYour Email.";
	if(trim(frm.enquiry.value)=="")
	  err=err+"\nYour Enquiry.";
	if(err.length>0)
	 {
	  alert("Please Enter Following Values: "+err);
	  return false;
	 }
	else
	 return true;
 }

function chk_form(frm)
 {
	var err="";
	if(trim(frm.companyname.value)=="")
	  err=err+"\nCompany Name.";
	if(trim(frm.contactperson.value)=="")
	  err=err+"\nContact Person.";
	if(trim(frm.addline1.value)=="")
	  err=err+"\nAddress.";
	if(trim(frm.city.value)=="")
	  err=err+"\nCity.";
	if(trim(frm.email.value)=="")
	  err=err+"\nE-mail.";
	if(trim(frm.query.value)=="")
	  err=err+"\nInquiry.";
	if(err.length>0)
	 {
	  alert("Please Enter Following Values: "+err);
	  return false;
	 }
	else
	 return true;
 }