/***********************************************
* Email Validation script
***********************************************/
var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i

function checkmail(e){
   var returnval=emailfilter.test(e.value)
      if (returnval==false){
      alert("Please enter a valid email address.")
      e.select()
   }
   return returnval
}

function strains(){
    var inhouse=document.getElementById('inhouse_strains');
    var all=document.getElementById('all_strains');
    if(document.getElementById('RequestTargetDnaSource').value != 'Use one of the available in-house strains'){
        inhouse.style.display='none';
        all.style.display='block';
    }else{
        inhouse.style.display='block';
        all.style.display='none';
    }
}