//message box validation
function limitarelungime(obj, length){
        var lungime=length
        if (obj.value.length>lungime)
        obj.value=obj.value.substring(0, lungime)
        }
	
//email form validation

function everif(str) {

		var at="@"
		var punct="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var lpunct=str.indexOf(punct)
		if (str.indexOf(at)==-1){
		   alert("Valid email must be entered")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Valid email must be entered")
		   return false
		}

		if (str.indexOf(punct)==-1 || str.indexOf(punct)==0 || str.indexOf(punct)==lstr){
		    alert("Valid email must be entered")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Valid email must be entered")
		    return false
		 }

		 if (str.substring(lat-1,lat)==punct || str.substring(lat+1,lat+2)==punct){
		    alert("Valid email must be entered")
		    return false
		 }

		 if (str.indexOf(punct,(lat+2))==-1){
		    alert("Valid email must be entered")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Valid email must be entered")
		    return false
		 }

 		 return true					
	}

function evalid(){
	var emailID=document.contact_form.mail
	
	if (everif(emailID.value)==false){
		emailID.focus()
		return false
	}
	
//empty field validation
	
	var fname=document.contact_form.fname
	if ((fname.value==null)||(fname.value=="")){
        alert("Fields marqued with * must be entered")
        fname.focus()
        return false
        }
	
	var subject=document.contact_form.subject	
	if ((subject.value==null)||(subject.value=="")){
        alert("Fields marqued with * must be entered")
        subject.focus()
        return false
        }
 
	var message=document.contact_form.message	
	if ((message.value==null)||(message.value=="")){
        alert("Fields marqued with * must be entered")
        message.focus()
        return false
        }
			
	return true
 }