function doAjaxUpdater(objForm, url, target, actionName) {
    var theForm = objForm;
	var pars = '_d=d';
	var count = theForm.elements.length;
	theForm.command.value = actionName;
	for ( var i=0; i < count; i++){
	   var id = theForm.elements[i].id;
	   var name = theForm.elements[i].name;
	   if ( name == '' ) theForm.elements[i].name = id;
	   if ( id == '' ) theForm.elements[i].id = name;
       name = theForm.elements[i].name;
	   var value = theForm.elements[i].value;
       pars = pars + '&' + name + '=' + escape(value);
	}
	var result;
    var myAjax = new Ajax.Updater(target, url, {
    							  				method: 'post', 
    							  				parameters: pars,
    							  				onComplete: function(t) {
    							  				  	result = t.responseText;
            									},
									            on404: function(t) {
													alert('error 404');
									            },
									            onFailure: function(t) {
													alert('failure get response');
									            } 
    							  				});		 
}

function doAjaxUpdater(objForm, url, target, actionName, qs) {
    var theForm = objForm;
	var pars = '_d=d';
	var count = theForm.elements.length;
	theForm.command.value = actionName;
	var readparam = false;
	
	for ( var i=0; i < count; i++){
	   readparam = false;
	   if ( theForm.elements[i].type == "checkbox" ) {
		  if ( theForm.elements[i].checked ) {
		     readparam = true;
		  } 
	   } else {
	   	  readparam = true;
	   }
	  
	   if ( readparam ) {
	  	   var id = theForm.elements[i].id;
		   var name = theForm.elements[i].name;
		   if ( name == '' ) theForm.elements[i].name = id;
		   if ( id == '' ) theForm.elements[i].id = name;
	       name = theForm.elements[i].name;
		   var value = theForm.elements[i].value;
	       pars = pars + '&' + name + '=' + escape(value);
       }
	}
	pars = pars + '&' + qs;
    var myAjax = new Ajax.Updater(target, url, {
    											method: 'post', 
    											parameters: pars,
    							  				onComplete: function(t) {
    							  				  	result = t.responseText;
            									},
									            on404: function(t) {
													alert('error 404');
									            },
									            onFailure: function(t) {
													alert('failure get response');
									            }     											
    											});		 
}
function numeralsOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
        ((evt.which) ? evt.which : 0));
    if ( charCode == 46 || charCode== 45) return true;
    if (charCode > 31 && (charCode < 48 || charCode > 57)) {
        return false;
    }
    return true;
}

function campusDirectory_viewStudent(){
	
		popWin = window.open("", "Window3", "width=400,height=500,scrollbars=no,location=no"); 
		popWin.document.writeln('<h4>View Students</h4>');
	  	popWin.document.writeln('<table><tr><td><b>Description :</b></td></tr>');
		popWin.document.writeln('<tr><td><small>In this module,details of AeU registered students can be viewed based on <b>School</b>, <b>Enrolled Programme</b> or/and <b>Intake</b>.</small></td></tr>');
		popWin.document.writeln('<tr><td><table cellspacing=4 cellpadding=4 valign=top><tr><td></td><td></td><td></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step1 </td><td valign="top">:</td><td valign="top"><small>Select <i><b>School</b></i> OR/AND <i><b>Programme</b></i> OR/AND <i><b>Intake</b></i>.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step2 </td><td valign="top">:</td><td valign="top"><small>Click "Submit" button.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Output </td><td valign="top">:</td><td valign="top"><small>A list of student records will be displayed.</small></td></tr>');
		popWin.document.writeln('</table></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('<tr><td><table>');
		popWin.document.writeln('<tr><td><b><small>Pre-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td><b><small>Post-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('</table></td></tr></table>');
		
		
		popWin.document.location.enable = false;
		popWin.document.statusbar.enable = false;
	}
	
	
	function campusDirectory_viewSchoolmates(){
	
		popWin = window.open("", "Window3", "width=400,height=500,scrollbars=no,location=no"); 
		popWin.document.writeln('<h4>View Schoolmates</h4>');
	  	popWin.document.writeln('<table><tr><td><b>Description :</b></td></tr>');
		popWin.document.writeln('<tr><td><small>In this module,details of the registered students within the same School can be viewed based on <b>Enrolled Programme</b> or/and <b>Intake</b>.</small></td></tr>');
		popWin.document.writeln('<tr><td><table cellspacing=4 cellpadding=4 valign=top><tr><td><td><td></td></td></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step1 </td><td valign="top">:</td><td valign="top"><small>Select <i><b>Programme</b></i> OR/AND <i><b>Intake</b></i>.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step2 </td><td valign="top">:</td><td valign="top"><small>Click "Submit" button.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Output </td><td valign="top">:</td><td valign="top"><small>Filtered records of the students within the same School will be displayed.</small></td></tr>');
		popWin.document.writeln('</table></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('<tr><td><table>');
		popWin.document.writeln('<tr><td><b><small>Pre-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td><b><small>Post-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('</table></td></tr></table>');
		
		
		popWin.document.location.enable = false;
		popWin.document.statusbar.enable = false;
	}
	
	
	function campusDirectory_viewCoursemates(){
	
		popWin = window.open("", "Window3", "width=400,height=500,scrollbars=no,location=no"); 
		popWin.document.writeln('<h4>View Programme Mates</h4>');
	  	popWin.document.writeln('<table><tr><td><b>Description :</b></td></tr>');
		popWin.document.writeln('<tr><td><small>In this module,details of the registered students within the same Programme can be viewed based on <b>Intake</b>.</small></td></tr>');
		popWin.document.writeln('<tr><td><table cellspacing=4 cellpadding=4 valign=top><tr><td></td><td></td><td></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step1 </td><td valign="top">:</td><td><small>Select Intake from <i><b>My course mates in --- intake.</b></i> dropdown menu.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step2 </td><td valign="top">:</td><td><small>Click "Submit" button.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Output </td><td valign="top">:</td><td><small>Filtered records of registered students within the same Programme will be displayed.</small></td></tr>');
		popWin.document.writeln('</table></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('<tr><td><table>');
		popWin.document.writeln('<tr><td><b><small>Pre-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td><b><small>Post-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('</table></td></tr></table>');
		
		
		popWin.document.location.enable = false;
		popWin.document.statusbar.enable = false;
	}
	
	
	function campusDirectory_viewClassmates(){
	
		popWin = window.open("", "Window3", "width=400,height=500,scrollbars=no,location=no"); 
		popWin.document.writeln('<h4>View Classmates</h4>');
	  	popWin.document.writeln('<table><tr><td><b>Description :</b></td></tr>');
		popWin.document.writeln('<tr><td><small>In this module,details of the registered students who enroll similar subjects will be displayed.</small></td></tr>');
		popWin.document.writeln('<tr><td><table cellspacing=4 cellpadding=4 valign=top><tr><td><u>Steps:</u></td><td></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step1 </td><td valign="top">:</td><td valign="top"><small>Select a subject from <i><b>My class mates for subject</b></i> dropdown menu.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Step2 </td><td valign="top">:</td><td valign="top"><small>Click "Submit" button.</small></td></tr>');
		popWin.document.writeln('<tr><td valign="top">Output </td><td valign="top">:</td><td valign="top"><small>Records of registered students within the same class will be displayed.</small></td></tr>');
		popWin.document.writeln('</table></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('<tr><td><table>');
		popWin.document.writeln('<tr><td><b><small>Pre-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td><b><small>Post-condition</small></b></td></tr>');
		popWin.document.writeln('<tr><td><small>- NONE -</small></td></tr>');
		popWin.document.writeln('<tr><td>__________________________________</td></tr>');
		popWin.document.writeln('</table></td></tr></table>');
		
		
		popWin.document.location.enable = false;
		popWin.document.statusbar.enable = false;
	}
	
	
function get_page_size() {
    var xScroll, yScroll;

    if (window.innerHeight && window.scrollMaxY) {	
      xScroll = document.body.scrollWidth;
      yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
      xScroll = document.body.scrollWidth;
      yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
      xScroll = document.body.offsetWidth;
      yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;
    if (self.innerHeight) {	// all except Explorer
      windowWidth = self.innerWidth;
      windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
      windowWidth = document.documentElement.clientWidth;
      windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
      windowWidth = document.body.clientWidth;
      windowHeight = document.body.clientHeight;
    }	
    
    // for small pages with total height less then height of the viewport
    if(yScroll < windowHeight){
      pageHeight = windowHeight;
    } else { 
      pageHeight = yScroll;
    }

    // for small pages with total width less then width of the viewport
    if(xScroll < windowWidth){	
      pageWidth = windowWidth;
    } else {
      pageWidth = xScroll;
    }

    arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
    return arrayPageSize;
}