// this function is needed to work around 
  // a bug in IE related to element attributes
  function hasClass(obj) {
     var result = false;
     if (obj.getAttributeNode("class") != null) {
         result = obj.getAttributeNode("class").value;
     }
     return result;
  }   

 function stripe(id) {
    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    id = arguments[0] ? arguments[0] : "zebra_table";
    var evenColor = arguments[1] ? arguments[1] : "#FFFFFF";
    var oddColor = arguments[2] ? arguments[2] : "#DDE2E5";
  
    // obtain a reference to the desired table
    // if no such table exists, abort
    var z = document.getElementsByTagName("table");
    if (!z) { return; }

    for (var t = 0; t < z.length; t++) {
	table=z[t];
    if (! table) { continue; }

    if (table.className != 'zebra_table' ) {continue;}
    // by definition, tables can have more than one tbody
    // element, so we'll have to get the list of child
    // &lt;tbody&gt;s 
    var tbodies = table.getElementsByTagName("tbody");

    // and iterate through them...
    for (var h = 0; h < tbodies.length; h++) {
    
     // find all the &lt;tr&gt; elements... 
      var trs = tbodies[h].getElementsByTagName("tr");
      
      // ... and iterate through them
      for (var i = 0; i < trs.length; i++) {

        // avoid rows that have a class attribute
        // or backgroundColor style
        if (! hasClass(trs[i]) &&
            ! trs[i].style.backgroundColor) {
 		  
          // get all the cells in this row...
          var tds = trs[i].getElementsByTagName("td");
        
          // and iterate through them...
          for (var j = 0; j < tds.length; j++) {
        
            var mytd = tds[j];

            // avoid cells that have a class attribute
            // or backgroundColor style
            if (! hasClass(mytd) &&
                ! mytd.style.backgroundColor) {
        
              mytd.style.backgroundColor =
                even ? evenColor : oddColor;
            
            }
          }
        }
        // flip from odd to even, or vice-versa
        even =  ! even;
      }
    }
 }
  }


function openbrwindow(page) {
	day = new Date();
	handle = day.getTime();
	window.open(page,handle,'width=800,height=600,scrollbars=yes,resizable=1,status=1');
}

function reSize(width,height){
w=width+30;
h=height+53
window.resizeTo(w,h);
}
function trim(val) {
return ( val.replace(/(^\s+)|(\s+$)/g, '') )
}


function submit_form(_form,params) {
	_form.action=_form.action+params;
	_form.submit();
}

function view(item,id) {
   day = new Date();
   handle = day.getTime();
   params = arguments[2] ? arguments[2] : '';
   
   address = 'view_file.php?item='+item+'&file_id='+id+params;
   window.open(address,handle,'width=780,height=480,scrollbars=yes,resizable=1,status=1');
}

function crystal_ball() {
	day = new Date();
	handle = day.getTime();
	window.open('./files/crystal_ball_7.pdf',handle,'width=800,height=600,scrollbars=yes,resizable=1,status=1');
	return false;
}