flag = false;
 
 function sendForm(){
	      var fr = document.fr1;
		  var p2 = /^([\w]+)(\.[\w]+)*@([\w-]+)(\.[a-z]{2,3})+$/;
		  var p4 = /([a-zA-Z\.]+){3,3}$/;
		  var p3 = /^(\d{3})[\s]?(\d{3})[\s]?(\d{4})$/;
		  
		   if(!p4.test(fr.name.value)){
		       fr.name.focus();
			   fr.name.select();
			   alert("Please, you must complete the field: 'Name'. Thanks!");
			   return false;
		   }
		   else if(!p2.test(fr.email.value)){
		       fr.email.focus();
			   fr.email.select();
			   alert("Please, you must complete the field: 'Email'. Thanks!");
			   return false;
		   }
		   else if(fr.city.selectedIndex<1){
		      alert("Please, you must select your city. Thanks!");
			   return false;
		   }
		   else if(!p3.test(fr.phoneday.value)){
		       fr.phoneday.focus();
			   fr.phoneday.select();
			   alert("Please, you must complete the field: 'Phone day'.Only numbers. Thanks!");
			   return false;
		   }
		   
		    fr.submit();
	  }