var ChkVar=new Array('search');
  var ChkMsg=new Array('Search');
  
 	function Send_form() {
		var print_str = 'check :\n----------------------------------------------------------------------\n'; 
		var print_y = 0;
	
    for( i=0;i<ChkVar.length;i++ ) {
  	  if ( eval('document.submitinput.' + ChkVar[i] + '.value') == '') {
  			print_str = print_str + 'please keyin ' + '\n';
  			print_y = 1;
  	  }
    }
	
		if (document.submitinput.search.value.length < 3) {
	  	print_str = print_str +'Your search query must be at least 3 characters ';
	  	print_y = 1;
		}
	
	
		if (print_y == 1) {
			alert(print_str);
		}
		else {
			document.submitinput.submit(); 
		}
  }