function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.id; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain @ \n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must '+min+' and '+max+'numbers \n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+'you did not input '+nm+'\n'; }
  } if (errors) alert('the following errors occured:\n'+errors);
  document.MM_returnValue = (errors == '');
}
function yfajian(){
				
			MM_validateForm('yxingming0','','R','yxingming1','','R','ydianyou0','','RisEmail','ydianyou1','','RisEmail');
				if( document.MM_returnValue==true){
winp=window.open("","pengfakuang","top=200,left=400,width=80,height=100,resizable=yes,menubar=no,toobar=no,scrollbars=no,status=yes,location=no");
				if(!winp.closed){winp.focus()};
document.ygaosupengbiao.target="pengfakuang" 
document.ygaosupengbiao.action="ytellyourfriendemail.asp"; 
document.ygaosupengbiao.method="post"; 
document.ygaosupengbiao.submit();
				}
				else{
				return false;
				
				}
				}