function rsColor(){
e = [cn, cT, cp, cm, cr];
for (var i=0;i<e.length;i++){
e[i].style.backgroundColor="";
e[i].style.color="";
}
}
function CheckForm(){
	
cn = document.getElementById('cname');
cp = document.getElementById('cphone');
cm = document.getElementById('cmail');
cr = document.getElementById('creq');
cT = document.getElementById('csTD');

tc = [cn, cp, cm, cr];
al = ['請填寫閣下的姓名。', //
	  '請填寫閣下的電話號碼。', //
	  '請填寫閣下的電郵。', //
	  '請填寫閣下的查詢內容。' //
	  ];

rsColor();

var count = 0;
      for(i=0;i<document.form1.cSex.length;i++){   
       if(document.form1.cSex[i].checked){ 
          count++;
       }     
}

      if(count==0){
       alert('請揀選閣下的性別。');
		cT.style.backgroundColor="#993333";
		cT.style.color="#FFFFFF";
       return false;
      }
	  
	for (var i=0;i<tc.length;i++){
		if (tc[i].value == ""){
			alert(al[i]);
			tc[i].style.backgroundColor="#993333";
			tc[i].style.color="#FFFFFF";
			return false;
		}
	}

if (cm.value=="" || (cm.value.indexOf('@') == -1) || (cm.value.indexOf('@') == 0) || (cm.value.indexOf('.') == -1) || (cm.value.indexOf('.') == 0)){
alert('請填寫正確的電郵地址。');
cm.style.backgroundColor="#993333";
cm.style.color="#000000";
return false;
} 
return true;
}