function checkForm(Form){

	for(i=0;i<Form.length;i++){
		if(Form[i].title.indexOf('همفل') > -1 && Form[i].value.length < 1){
			alert(Form[i].title);
			Form[i].focus();
			return false;
		}
	}
	return true;
}

function Blend(newPicSrc){
  if (document.getElementById("img1").style.visibility == "visible") {
    document.getElementById("img2").src = newPicSrc;
    document.getElementById("img1").style.filter="revealTrans(duration=2, transition=23)";
    document.getElementById("img1").filters.revealTrans.apply();
    document.getElementById("img1").style.visibility="hidden";
    document.getElementById("img1").filters.revealTrans.play();
    document.getElementById("img2").style.filter="revealTrans(duration=2, transition=23)";
    document.getElementById("img2").filters.revealTrans.apply();
    document.getElementById("img2").style.visibility="visible";
    document.getElementById("img2").filters.revealTrans.play();
  } else {
    document.getElementById("img1").src = newPicSrc;
    document.getElementById("img2").style.filter="revealTrans(duration=2, transition=23)";
    document.getElementById("img2").filters.revealTrans.apply();
    document.getElementById("img2").style.visibility="hidden";
    document.getElementById("img2").filters.revealTrans.play();
    document.getElementById("img1").style.filter="revealTrans(duration=2, transition=23)";
    document.getElementById("img1").filters.revealTrans.apply();
    document.getElementById("img1").style.visibility="visible";
    document.getElementById("img1").filters.revealTrans.play();
  }
}