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 YY_checkform() { //v4.71
//copyright (c)1998,2002 Yaromat.com
  document.MM_returnValue = false;
  var a=YY_checkform.arguments,oo=true,v='',s='',err=false,r,o,at,o1,t,i,j,ma,rx,cd,cm,cy,dte,at;
   try 
	{ 
	  for (i=1; i<a.length;i=i+4)
	  {  
	    
		if (a[i+1].charAt(0)=='#'){r=true; a[i+1]=a[i+1].substring(1);}else{r=false;}
		
		o=MM_findObj(a[i].replace(/\[\d+\]/ig,""));

		o1=MM_findObj(a[i+1].replace(/\[\d+\]/ig,""));

		v=o.value;
		t=a[i+2];
        
		if (o.type=='text'||o.type=='password'||o.type=='hidden')
		{
		  if (r&&v.length==0){err=true}
		  
		  if (v.length>0)
		  {
			  if (t==1)
			  { //fromto
				ma = a[i+1].split('_');if(isNaN(v)||v<ma[0]/1||v > ma[1]/1){err=true}
				
			  }
			  else if (t==2)
			  {
				rx = new RegExp("^[\\w\.=-]+@[\\w\\.-]+\\.[a-zA-Z]{2,4}$");if(!rx.test(v))err=true;
			  } 
			  else if (t==3)
			  { // date
				ma=a[i+1].split("#");at=v.match(ma[0]);
				if(at)
				{
				  cd=(at[ma[1]])?at[ma[1]]:1;cm=at[ma[2]]-1;cy=at[ma[3]];
				  dte=new Date(cy,cm,cd);
				  if(dte.getFullYear()!=cy||dte.getDate()!=cd||dte.getMonth()!=cm){err=true};
				}
				else{err=true}
				
			  } 
			  else if (t==4)
			  { // time
				ma=a[i+1].split("#");at=v.match(ma[0]);if(!at){err=true}
			  } 
			  else if (t==5)
			  { // check this 2
					if(o1.length)o1=o1[a[i+1].replace(/(.*\[)|(\].*)/ig,"")];
					if(!o1.checked){err=true}
			  } 
			  else if (t==6)
			  { // the same
					if(v!=MM_findObj(a[i+1]).value){err=true}
			  }
		  }
		  
		} 
		else
		{
			if (!o.type&&o.length>0&&o[0].type=='radio')
			{
				  at = a[i].match(/(.*)\[(\d+)\].*/i);
				  o2=(o.length>1)?o[at[2]]:o;
				  
			  if (t==1&&o2&&o2.checked&&o1&&o1.value.length/1==0){err=true}
			  if (t==2)
			  {
				oo=false;
				for(j=0;j<o.length;j++){oo=oo||o[j].checked}
				if(!oo){s+='* '+a[i+3]+'\n'}
			  }
			}
			else if (o.type=='checkbox')
			{
			  if((t==1&&o.checked==false)||(t==2&&o.checked&&o1&&o1.value.length/1==0)){err=true}
			} 
			else if (o.type=='select-one'||o.type=='select-multiple')
			{
			  if(t==1&&o.selectedIndex/1==0){err=true}
			}
			else if (o.type=='textarea')
			{
			  if(v.length<a[i+1]){err=true}
			}
			else if (o.type=='file')
			{
			  if(v.length<a[i+1]){err=true}
			}
			
	  	}
		if (err){s+='* '+a[i+3]+'\n'; err=false}
	  }//for
	  
	  if (s!=''){alert('提供的信息不完整:\t\t\t\t\t\n\n'+s)}
	  document.MM_returnValue = (s=='');		
	} 
	catch(ex)//catch the ex 
	{ 
			alert(ex.number+"\n"+ex.description); 
	} 
	finally 
	{ 
		return document.MM_returnValue;//do something finally 
	} 

}