function echeck(str) {
		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID");
		   return false;
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID");
		   return false;
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID");
		    return false;
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
}

b=0;

function validate(form) {
	if (b==1) {
		form.name.value="";
		form.email.value="";
		form.phone.value="";
		form.msg.value="";
		if (form.number_bedrooms!=null) form.number_bedrooms.value="";
		if (form.price_range!=null)	 form.price_range.options[0].selected=true;
		if (form.type!=null)		 form.type.options[0].selected=true;
		form.name.focus();
		b=0;
	return false;
	} else {
		if (form.name.value.length<3) {alert("Please enter your name!");return false;}
		if (form.phone.value.length<6) {alert("Please enter your phone number!");return false;}
		s=form.email.value; p=s.indexOf(" "); k=s.indexOf("@"); K=s.indexOf("."); l=s.length;
		<!--if ((l<5) || (p>=0) || (k<=0) || (k>=l-2) || (k>K) || (K<=0) || (K>=l-1)) {alert("Please enter your email address!");return false;}-->
		var f = document.d.email;
		if ( ( f.value == null ) || ( f.value == "" ) )	{
			alert("Please Enter Email address!");
			f.focus();
			return false;
		}
		if ( echeck(f.value) == false )
		{
			f.value = "";
			f.focus();
			return false;
		}
		if (form.msg.value.length<5) {alert("Please enter your message/question!");return false;}
	}
}