function isEmail(src) {
	isEmail1    = /^\w+([\.\-]\w+)*\@\w+([\.\-]\w+)*\.\w+$/;
	isEmail2    = /^.*@[^_]*$/;
    return (isEmail1.test(src) && isEmail2.test(src));
}

function isCard(IDCard)
{
	var fstr = 0;

    switch(IDCard.substr(0,1))
	{
		case "A":
		fstr = 10
		break;
		case "B":
		fstr = 11
		break;
		case "C":
		fstr = 12
		break;
		case "D":
		fstr = 13
		break;
		case "E":
		fstr = 14
		break;
		case "F":
		fstr = 15
		break;
		case "G":
		fstr = 16
		break;
		case "H":
		fstr = 17
		break;
		case "I":
		fstr = 34
		break;
		case "J":
		fstr = 18
		break;
		case "K":
		fstr = 19
		break;
		case "L":
		fstr = 20
		break;
		case "M":
		fstr = 21
		break;
		case "N":
		fstr = 22
		break;
		case "O":
		fstr = 35
		break;
		case "P":
		fstr = 23
		break;
		case "Q":
		fstr = 24
		break;
		case "R":
		fstr = 25
		break;
		case "S":
		fstr = 26
		break;
		case "T":
		fstr = 27
		break;
		case "U":
		fstr = 28
		break;
		case "V":
		fstr = 29
		break;
		case "W":
		fstr = 32
		break;
		case "X":
		fstr = 30
		break;
		case "Y":
		fstr = 31
		break;
		case "Z":
		fstr = 33
		break;
		default:
		break;            
	}
          
	switch(IDCard.length)
	{   
		case 10:
		ereg=/^[A-Z ][1-2][0-9]{8}$/;
		if(ereg.test(IDCard))
		{
			var lstr = parseInt((fstr.toString()).substr(0,1));
			var rstr = parseInt((fstr.toString()).substr(1,1));
			var str = parseInt(lstr) + parseInt(rstr)*9 + parseInt(IDCard.substr(1,1))*8 + parseInt(IDCard.substr(2,1))*7 + parseInt(IDCard.substr(3,1))*6
					+ parseInt(IDCard.substr(4,1))*5 + parseInt(IDCard.substr(5,1))*4 + parseInt(IDCard.substr(6,1))*3
					+ parseInt(IDCard.substr(7,1))*2 + parseInt(IDCard.substr(8,1))*1;
			var cc = (str.toString()).substr((str.toString()).length-1,1);
			var dd = parseInt(cc);
			if((10-dd)==parseInt(IDCard.substr(9,1)))
			{
				return true;
			}
			else
			{
			   return false;
			}   
  
       }
	   else
	   {
           return false;
       }
       break;
       default:
       return false;
	}  
}