function textClean(control){
document.getElementById(control).value = "";
}

function formValidation()
{
 var validEmail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
 var validNum = /[^0-9]/;
  
  if(document.getElementById('full_name').value == "")
    {
     alert("please fill the full name");
     check =  false;
    }  
   else if(document.getElementById('full_name').value == "Full Name")
    {
     alert("please fill the full name");
     check =  false;
    }
   else if(document.getElementById('email').value == "") 
          {
           alert("please fill the email");
           check =  false;
          }
   else if(document.getElementById('email').value == "E-mail") 
          {
           alert("please fill the email");
           check =  false;
          }       
   else if(!validEmail.test(document.getElementById('email').value))
  	      {
	       alert("Please type a valid email");
	       check =  false;
	      }
   else if(document.getElementById('phone').value == "")
          {
           alert("please fill the phone");
           check =  false;
          }
   else if(document.getElementById('phone').value == "Phone")
          {
           alert("please fill the phone");
           check =  false;
          }	        	            
   else{
         check = true;
       }
	
 return check;	
}