var wrote1 = true;

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_setTextOfTextfield(objName,x,newText) { //v3.0
  var obj = MM_findObj(objName);
  if (obj && wrote1){
  	obj.value = newText;
  }
}

function MM_watchAndSetTextOfTextfield(objName) { //v3.0
  var obj = MM_findObj(objName); 
  if (obj.value == ""){
   obj.value = "email@domain.com";
  }else{
  	wrote1 = false;
  }
}

function sendForm(frm){
	if (frm.first_name.value!="") {
		if (frm.last_name.value!="") {
			if (frm.email.value!="") {
				if (frm.phone.value!="") {
					if (frm.subject.value!="") {
						if (frm.message.value!="") {
							frm.submit();
							return true;
						} else {
							alert("Please, enter a message");
						}
					} else {
						alert("Please, enter your subject");
					}
				} else {
					alert("Please, enter your phone number");
				}
			} else {
				alert("Please, enter your e-mail");
			}
		} else {
			alert("Please, enter your last name");
		}
	} else {
		alert("Please, enter your first name");
	}
}