function isWhiteSpaces(S)
{
	var isNull
	if (S.length == 0 ) 
		isNull = true;
	else
	{
		for (I=0;I < S.length; I++ )
		{
			isNull = S.substring(I,I+1)==" "?true:false
			if (!isNull) break;
		}
	}
	return isNull;
}

function isAlpha(S)
{
	for (var i=0; i<S.length; i++) 
	{
		var ch = S.charAt(i);
		if ((ch < 'a' || ch > 'z') && (ch < 'A' || ch > 'Z') && (ch != ' ') && (ch <'0') && (ch >'9')) 
			return false;
	}
	return true;
}

function isNumeric(S)
{
	if (!isNaN(S))	
		return true;	
	return false;
}

function isEmail(email)
{
	var isNullEmail = isWhiteSpaces(email)
	var emailLength = email.length
	var isSPACEexists = email.indexOf(" ") + 1
	var isATexistsFirst = email.indexOf("@")
	var isATexistsLast = email.lastIndexOf("@")
	var isDOTexistsFirst = email.indexOf(".",isATexistsFirst+1)
	var isDOTexistsNext1 = email.indexOf(".",isATexistsFirst+1)
	var isDOTexistsNext2 
	var isDOTexistsLast = email.lastIndexOf(".")

	if ((emailLength < 8 ) || (isDOTexistsFirst < isATexistsFirst+3) || (isATexistsFirst < 2) ||
   	 	(isDOTexistsLast == emailLength-1) || (isATexistsLast == emailLength-1) ||
    	(isDOTexistsFirst == 0) || (isATexistsFirst == 0) || (isATexistsFirst == isDOTexistsFirst) ||
    	(isATexistsFirst != isATexistsLast) || isSPACEexists || isNullEmail)
	{
		return false;
	}

	while (isDOTexistsNext1 < isDOTexistsLast)
	{
		isDOTexistsNext2 = email.indexOf(".",isDOTexistsNext1+1)
		if (isDOTexistsNext1+1 == isDOTexistsNext2)
		{
			return false;
		}
		isDOTexistsNext1 = isDOTexistsNext2
	}

	return true;
}

function checkCheckBoxes() {	
	if (document.form1.ck_20_head.checked == false &&
	    document.form1.ck_20_face.checked == false &&
		document.form1.ck_20_face.checked == false &&
	    document.form1.ck_20_neck.checked == false)		
		{ alert ('You didn\'t choose any of the checkboxes!');
		  return false;	
		}	
		else
		{		
		  return true;	
	}
}

function validate ()
{
	
	if(isWhiteSpaces(document.form1.name.value))
	{
		alert("Please Enter Your Name......");
		document.form1.name.focus();
		return false;
	}
	
/*	if(isWhiteSpaces(document.form1.add.value))
	{
		alert("Please Enter Your Contact Address......");
		document.form1.add.focus();
		return false;
	}
	
	
	if (isWhiteSpaces(document.form1.phone.value))
	{
		alert ('Please Enter Telephone Number......');
		document.form1.phone.focus();
		return false;
	}
	if(document.form1.phone.value.search(/\d{6}/)==-1)
   {
      alert("'Please Enter Numbers Only'");
	  document.form1.phone.focus();
      return false;
   }*/

		if (isWhiteSpaces(document.form1.email.value))
	{
		alert ('Please Enter your Email id......');
		document.form1.email.focus();
		return false;
	}
	
	if (!isEmail(document.form1.email.value))
	{
		alert ("Please Enter Email id in 'abc@a.com' format.......");
		document.form1.email.focus();
		return false;
	}
	
		
	if(isWhiteSpaces(document.form1.Query.value))
	{
		alert("Please Enter Your Queries......");
		document.form1.Query.focus();
		return false;
	}

}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}


<!--
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];}}
}

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];}
}
//-->

 onLoad="MM_preloadImages('images/buttons/home_on.jpg','images/buttons/about_us_on.jpg','images/buttons/corporate_training_on.jpg','images/buttons/indian_on.jpg','images/buttons/news_on.jpg','images/buttons/business_on.jpg','images/buttons/enquiry_on.jpg','images/buttons/faq_on.jpg','images/buttons/contact_on.jpg')"