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){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		 if (str.indexOf(" ")!=-1){
		    return false
		 }
 		 return true					
	}

function checkConfused(){

	if(document.getElementById('treatments_str').value==""){ document.getElementById('treatments_alert').style.display="block";  document.getElementById('treatments_str').focus(); return; } 
	if(document.getElementById('fullname').value == "") {document.getElementById('fullname_alert').style.display="block";  document.getElementById('fullname').focus(); return;}
	if(echeck(document.getElementById("email").value)==0){document.getElementById('email_alert').style.display="block";  document.getElementById('email').focus(); return;} 
	if(document.getElementById('phone').value == "") {document.getElementById('phone_alert').style.display="block";  document.getElementById('phone').focus(); return;}
	if(document.getElementById('sex').value=="0"){ document.getElementById('sex_alert').style.display="block";  document.getElementById('sex').focus(); return; } 
	if(document.getElementById('age').value == "") {document.getElementById('age_alert').style.display="block";  document.getElementById('age').focus(); return;}
	if(document.getElementById('area_id').value==""){ document.getElementById('area_alert').style.display="block";  document.getElementById('area_id').focus(); return; } 
	
	document.getElementById('GUI_COMPOSE').style.display="none";
	document.getElementById('GUI_COMMIT_OK').style.display="block";
	document.getElementById('formi').submit();

}