function Trim(str){    
 return str.replace(/(^\s*)|(\s*$)/g,"");
}


function data_check(formName) {
	formObj = document.getElementById(formName);
	
	for (var i=0; i<formObj.length; i++) {
		var elemObj = formObj.elements[i];
		if (elemObj.id == 'required') {
			if ((elemObj.value == null) || Trim(elemObj.value) == "") {
				alert('*Äæ¦ì³£¥²¶ñ!!');
				return false;
			}
			
		}
	}
	
/*	
	var checkStatus1= checkEmail(formObj.email.value);
  	if (!checkStatus1) {
    	alert("\u60a8\u6240\u8f38\u5165\u7684\u96fb\u5b50\u90f5\u4ef6\u5e33\u865f\uff0c\u4e0d\u662f\u6a19\u6e96\u7684\u96fb\u5b50\u90f5\u4ef6\u683c\u5f0f\uff0c\u8acb\u518d\u91cd\u65b0\u8f38\u5165\u4e00\u6b21\u3002");
    	return false;
  	}
*/
	return true;
}


/**
 * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
 * http://javascript.internet.com
 */
 
// newFunction
function checkEmail(emailStr) {
  if (emailStr.length == 0) {
    return true;
  }
  var emailPat=/^(.+)@(.+)$/;
  var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
  var validChars="\[^\\s" + specialChars + "\]";
  var quotedUser="(\"[^\"]*\")";
  var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
  var atom=validChars + '+';
  var word="(" + atom + "|" + quotedUser + ")";
  var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
  var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
  var matchArray=emailStr.match(emailPat);
  if (matchArray == null) {
     return false;
  }
  var user=matchArray[1];
  var domain=matchArray[2];
  if (user.match(userPat) == null) {
     return false;
  }
  var IPArray = domain.match(ipDomainPat);
  if (IPArray != null) {
    for (var i = 1; i <= 4; i++) {
      if (IPArray[i] > 255) {
          return false;
      }
    }
    return true;
  }
  var domainArray=domain.match(domainPat);
  if (domainArray == null) {
     return false;
  }
  var domainArray=domain.match(domainPat);
  if (domainArray == null) {
     return false;
  }
  var atomPat=new RegExp(atom,"g");
  var domArr=domain.match(atomPat);
  var len=domArr.length;
  if ((domArr[domArr.length-1].length < 2) || (domArr[domArr.length-1].length > 3)) {
    return false;
  }
  if (len < 2) {
     return false;
  }
  return true;
}



function check_cost(){
	var thisForm = document.form1;
	
	if (parseInt(thisForm.t1.value) <=2){
		thisForm.t3.value = parseInt(thisForm.t1.value) *340 + 15;
		thisForm.t2.value = parseInt(15);
	}else{
		thisForm.t3.value = parseInt(thisForm.t1.value) *340 + 20;
		thisForm.t2.value = parseInt(20);
		
	}
	
			
}