function check() {
	var d = document.contact;  
	
 	if(d.pname.value == "" || d.pname.value == " ") {
		alert ("Please enter your Name!");
		d.pname.focus()
		d.pname.select()
		return false;
	}
	
	if(d.cname.value == "" || d.cname.value == " ") {
		alert ("Please enter your company name!");
		d.cname.focus()
		d.cname.select()
		return false;
	}
	
	if(d.address.value == "" || d.address.value == " ") {
		alert ("Please enter your address!");
		d.address.focus()
		d.address.select()
		return false;
	}
	
	if(d.contact.value == "") {
		alert ("Please enter your Contact number!");
		d.contact.focus()
		d.contact.select()
		return false;
	} else if(isNaN(d.contact.value)) {
		alert ("Please enter your Contact number!");
		d.contact.focus()
		d.contact.select()
		return false;
	}	 
 
	if(d.email.value == "" || d.email.value == " ") {
		alert ("Please enter a valid E-mail addresd.\n" +"Example: name@gmail.com");
		d.email.focus()
		d.email.select()
		return false;
	} else if(d.email.value.indexOf("@")<1 ||
    	d.email.value.indexOf(".")==-1 ||
    	d.email.value.indexOf(",")!=-1 ||
    	d.email.value.indexOf(" ")!=-1 ||
    	d.email.value.length<6)
  {
    alert("Please enter a valid E-mail addresd.\n" +
    "Example: name@gmail.com");
     d.email.focus();
     return false;
  }
	
		if(d.subject.value == "" || d.subject.value == " ") {
		alert ("Please enter subject!");
		d.subject.focus()
		d.subject.select()
		return false;
	}	
	
	if(d.comments.value == "" || d.comments.value == " ") {
		alert ("Please enter comments!");
		d.comments.focus()
		d.comments.select()
		return false;
	}
	return true;
}