/**
 * This array is used to remember mark status of rows in browse mode
 */
var marked_row = new Array;

/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;
    

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 3.3 ... Opera changes colors set via HTML to rgb(r,g,b) format so fix it
    if (currentColor.indexOf("rgb") >= 0) 
    {
        var rgbStr = currentColor.slice(currentColor.indexOf('(') + 1,
                                     currentColor.indexOf(')'));
        var rgbValues = rgbStr.split(",");
        currentColor = "#";
        var hexChars = "0123456789ABCDEF";
        for (var i = 0; i < 3; i++)
        {
            var v = rgbValues[i].valueOf();
            currentColor += hexChars.charAt(v/16) + hexChars.charAt(v%16);
        }
    }

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
            // Garvin: deactivated onclick marking of the checkbox because it's also executed
            // when an action (like edit/delete) on a single item is performed. Then the checkbox
            // would get deactived, even though we need it activated. Maybe there is a way
            // to detect if the row was clicked, and not an item therein...
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
            // document.getElementById('id_rows_to_delete' + theRowNum).checked = false;
        }
    } // end 4
    

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function\

/*************************************************************
	/ function to open pop up window
	/ Parameters : strUrl -- html page or jpg file, relative or absolute paths
		       winName -- pop up window name
		       width,height -- window dimensions
		       posX,posY -- window position
		       
	/ Created 10/08/2001, Roman Merkushen, CDI
	*************************************************************/ 
	
	//Open window with the following parameters: URL(html page)
	function openWin(strUrl,winName) 
	{
			//open window with passed parameters
			var popWindow = window.open(strUrl, winName);
			
			//set focus
			popWindow.focus();
	}
	
		       
	//Open window with the following parameters: URL, height, and width
	function openWindim(strUrl,winName,width,height) 
	{
			//open window with passed parameters
			var popWindow = window.open(strUrl, winName,"toolbar=no,directories=no,location=no,status=no,menubar=no,scrollbars=no,resizeable=no,width="+width+",height="+height);
			
			//move to set position
			popWindow.moveTo(40,40);
			
			//set focus
			popWindow.focus();
	}
	
		//Open window with the following parameters: URL, height, and width
	function openWinscroll(strUrl,winName,width,height) 
	{
			//open window with passed parameters
			var popWindow = window.open(strUrl, winName,"toolbar=no,directories=no,location=no,status=no,menubar=no,scrollbars=yes,resizeable=no,width="+width+",height="+height);
			
			//move to set position
			popWindow.moveTo(40,40);
			
			//set focus
			popWindow.focus();
	}
	
	//Open window with the following parameters: URL, height,width,and position
	function openWinpos(strUrl,winName,width,height,posX,posY) 
	{
			//open window with passed parameters
			var popWindow = window.open(strUrl, winName,"toolbar=no,directories=no,location=no,status=no,menubar=no,scrollbars=no,resizeable=no,width="+width+",height="+height);
			
			//move to set position
			popWindow.moveTo(posX,posY);
			
			//set focus
			popWindow.focus();
	}
  
  function openfile(page) {
    top.location.href = page;
}

function updatehidden (the_form, field_name, field_value) {
    element_name = eval("document." + the_form + "." + field_name);
    element_name.value = field_value;
}

function PreFillElement (the_form, element_from, element_to) {    
    element_to = eval("document." + the_form + "." + element_to);
    element_to.value = element_from.value;
}

function preloadImages(the_image_array)
{
  for(loop=0;loop<the_image_array.length;loop++)
  {
    var an_image = new Image();
    an_image.src = the_image_array[loop];
  }
}    

//to open new popup window
function openWindow(page,width,height) {
	windowFeatures = "";
	window_width = width;
	window_height = height;
	window_top = (screen.availHeight-window_height)/2;
	window_left = (screen.availWidth-window_width)/2;
	windowFeatures += "width=" + window_width + ",height=" + window_height + ",top=";
	windowFeatures += window_top;
	windowFeatures += ",left=";
	windowFeatures += window_left;
	windowFeatures += ",status=no,scrollbars=1";

	window.open(page,"mywindow", windowFeatures);
}

function updateParent(newURL) {
  opener.location = newURL;
  window.blur();
}

function checkAll(the_form)
{
    var checked_count =0;
    var programs ="";
    in_form = eval("document.forms['" + the_form + "']");

    for(var i=0; i<in_form.elements.length; i++){
	curr_elem = in_form.elements[i];
	
	if ( (curr_elem.type == 'checkbox') && (curr_elem.checked) ){
		curr_elem_name = eval("document." + the_form + "." + curr_elem.name + "_name");
		programs += curr_elem_name.value +"\n";
		
		checked_count++;
	}
    }

  if (checked_count ==0) {
    alert("You must select an item to delete first");
    return false;
  } else {
    return confirmIt(programs);
  }
    
}


function confirmIt(programs) {
  var agree=confirm("You are about to delete " + programs + "\n\nOK?");
  if (agree)
    return true
  else
    return false
}