function chkEmail(stremail){
     if (stremail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1){
     return 1;
	 }else{
	 return 0;
	}
  }

  $("Enquiry_form").onsubmit=function(){
   if($("Firstname").value==""){
      alert($("Firstname").title);
	  $("Firstname").focus();
	  return false;
    }
   if($("Lastname").value==""){
      alert($("Lastname").title);
	  $("Lastname").focus();
	  return false;
    } 
   if($("Phone").value==""){
      alert($("Phone").title);
	  $("Phone").focus();
	  return false;
    } 	
   if($("Address").value==""){
      alert($("Address").title);
	  $("Address").focus();
	  return false;
    }	
   if($("CityState").value==""){
      alert($("CityState").title);
	  $("CityState").focus();
	  return false;
    }		
   if($("ZIP").value==""){
      alert($("ZIP").title);
	  $("ZIP").focus();
	  return false;
    }		
   if($("Country").value==""){
      alert($("Country").title);
	  $("Country").focus();
	  return false;
    }	
   if($("Email").value==""){
      alert($("Email").title);
	  $("Email").focus();
	  return false;
    }	
  if (chkEmail($("Email").value)==0){
     alert("Please specify a valid email address.");
     $("Email").focus();
     return false;
  }
  if($("BusinessTypeo").checked==true){
   if($("Otherw").value==""){
      alert($("Otherw").title);
	  $("Otherw").focus();
	  return false;
    }  
  }
   if($("Descr").value==""){
      alert($("Descr").title);
	  $("Descr").focus();
	  return false;
    }  
   if($("Content").value==""){
      alert($("Content").title);
	  $("Content").focus();
	  return false;
    }
  document.EnForm.target="IfrForm";  
  $("ActLoading").style.width =document.body.clientWidth+"px"; 
  $("ActLoading").style.height =(document.body.scrollHeight>window.screen.height?document.body.scrollHeight:window.screen.height)+"px";  
  $("ActLoading").style.display="";
  $("Cactloading").style.display="";
  $("Cactloading").style.padding=parseInt(document.body.scrollHeight>window.screen.height?document.body.scrollHeight*0.4:window.screen.height*0.5)+"px 0 0 "+(parseInt(document.body.clientWidth/2)-180)+"px"; 
  $("Cactloading").innerHTML="<img src=\"images/loader.gif\" align=\"absmiddle\" hspace=\"5\" />Submission of data being processed, please wait...";  
}