/*############################################################################
##	File			: functions.js
##
##	Created By		: Arvind Kumar Upadhyaya
##
##	Created On		: May 10, 2005
##
##	Company			: Synapse Comminications Private Limited, India
##
##	Purpose			: This file contains javascript functions which will be used all over the site
############################################################################*/

function openwindow(strPathFile, strWinParams)
{
	window.open(strPathFile, "", strWinParams);
}


function Trim(s) 
{
  // Remove leading spaces and carriage returns
  
  while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r'))
  {
    s = s.substring(1,s.length);
  }

  // Remove trailing spaces and carriage returns

  while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r'))
  {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function chkAll(frm)
{
	var obj;
		obj="document."+frm;
		//alert(eval(obj).elements.length);
	for(var i=0;i<eval(obj).elements.length;i++)
	{
		if(eval(obj).elements[i].name.substr(0,6)=="chkBox")
		{
			if(eval(obj).cx.checked==false)	eval(obj).elements[i].checked=false;
			else if(eval(obj).cx.checked==true) eval(obj).elements[i].checked=true;
		}

	}

}


function chkDelete(frm,homelot)
{
	var obj;
		obj="document."+frm;
	var tcbx=0;var tckbxs=0;
	for(var i=0;i<(eval(obj).elements.length);i++)
	{		
		if(eval(obj).elements[i].type=="checkbox") tcbx++;
		if(eval(obj).elements[i].type=="checkbox" && eval(obj).elements[i].checked==false) tckbxs++;
	}

	if(tcbx==tckbxs)
	{
		alert("Please Choose At Least one "+ homelot +" for deletion.");
		return false;
	}
	else
	{
		if(confirm("Are you sure you would like to remove these "+ homelot +"?")) return true;
		else 
		{
			for(var i=0;i<(eval(obj).elements.length);i++)
			{
				eval(obj).elements[i].checked=false;
			}
			return false;
		}
	}
}
function chkDeleteActDeact(frm,homelot,actlot)
{
	var obj;
		obj="document."+frm;
	var tcbx=0;var tckbxs=0;
	for(var i=0;i<(eval(obj).elements.length);i++)
	{		
		if(eval(obj).elements[i].type=="checkbox") tcbx++;
		if(eval(obj).elements[i].type=="checkbox" && eval(obj).elements[i].checked==false) tckbxs++;
	}

	if(tcbx==tckbxs)
	{
		alert("Please Choose At Least one "+ homelot +" for "+actlot+".");
		return false;
	}
	else
	{
		if(confirm("Are you sure you would like to "+actlot+" these "+ homelot +"?")) return true;
		else 
		{
			for(var i=0;i<(eval(obj).elements.length);i++)
			{
				eval(obj).elements[i].checked=false;
			}
			return false;
		}
	}
}


function chkLink(frm,homelot)
{
	var obj;
		obj="document."+frm;
	var tcbx=0;var tckbxs=0;
	for(var i=0;i<(eval(obj).elements.length);i++)
	{		
		if(eval(obj).elements[i].type=="checkbox") tcbx++;
		if(eval(obj).elements[i].type=="checkbox" && eval(obj).elements[i].checked==false) tckbxs++;
	}

	if(tcbx==tckbxs)
	{
		alert("Please Choose At Least one "+ homelot +" for linking.");
		return false;
	}
	else
	{
		if(confirm("Are you sure you would like to link these "+ homelot +"?")) return true;
		else 
		{
			for(var i=0;i<(eval(obj).elements.length);i++)
			{
				eval(obj).elements[i].checked=false;
			}
			return false;
		}
	}
}
function chkProperty(frm,homelot)
{
	var obj;
		obj="document."+frm;
	var tcbx=0;var tckbxs=0;
	for(var i=0;i<(eval(obj).elements.length);i++)
	{		
		if(eval(obj).elements[i].type=="checkbox") tcbx++;
		if(eval(obj).elements[i].type=="checkbox" && eval(obj).elements[i].checked==false) tckbxs++;
	}

	if(tcbx==tckbxs)
	{
		alert("Please Choose At Least one "+ homelot);
		return false;
	}
	else
	{
		if(confirm("Are you sure you would like to add these "+ homelot +"?")) return true;
		else 
		{
			for(var i=0;i<(eval(obj).elements.length);i++)
			{
				eval(obj).elements[i].checked=false;
			}
			return false;
		}
	}
}
function chkPropertyValues(frm,homelot)
{
	var obj;
	obj="document."+frm;
	
	fieldLength = eval(obj).fieldLength.value;
	
	for(i = 0; i < fieldLength; i++)
	{
		fieldvalue = eval(obj).txtPropertyValue[i].value;
		if(Trim(fieldvalue)=="")
		{
			alert("One/More Properties left blank. Please Specify");
			eval(obj).txtPropertyValue[i].focus();
			return false;
			
		}
	}

}

function getHTTPObject() {
  var xmlhttp;
  /*@cc_on
  @if (@_jscript_version >= 5)
    try {
      xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (E) {
        xmlhttp = false;
      }
    }
  @else
  xmlhttp = false;
  @end @*/
  if (!xmlhttp && typeof XMLHttpRequest != 'undefined') {
    try {
      xmlhttp = new XMLHttpRequest();
    } catch (e) {
      xmlhttp = false;
    }
  }
  return xmlhttp;
}
var http = getHTTPObject(); // We create the HTTP Object


/**
 * 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   integer  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