String.prototype.trim1 = 
 function trimblanks() { return this.split(/\s/).join(''); };
function valid()
{
	
	 if(document.getElementsByName("zip")[0].value.trim1()==""){
		 alert("Please Enter Zip");
		 document.getElementsByName("zip")[0].focus();
		  document.getElementsByName("zip")[0].select();
		 return false;
	 }
	   if(!(document.getElementsByName("zip")[0].value==""))
	   {
	    zipval=document.getElementsByName("zip")[0].value
       var zipPat=/^\d{5}$/;
         var matchArray = zipval.match(zipPat);
        if(!zipPat.test(zipval))
           {
	      alert("Please Enter a Valid Zip Number ");
	      document.getElementsByName("zip")[0].focus();
	      document.getElementsByName("zip")[0].select();
          return false;

          }	
	   }
 if(document.getElementsByName("email")[0].value.trim1()!=""){
			  var emailPat = /^([a-zA-Z0-9])+([\.a-zA-Z0-9_-])*@([a-zA-Z0-9])+(\.[a-zA-Z0-9_-]+)+$/; 
	 if(!emailPat.test(document.getElementsByName("email")[0].value.trim1()))
		{
			alert("Your email address is invalid. Please try again !!");			
 			document.getElementsByName("email")[0].focus();
           document.getElementsByName("email")[0].select();
  			return false ;
	    }}
		document.getElementById("imgrep").innerHTML='Processing.....';
}