function popup(url, width, height, name, scrollbars, dependent, resizable) {



    var left = (screen.width / 2) - width / 2;

    var top = (screen.height / 2) - height / 2;

    mypopup = window.open(url, name, "left="+left+",top="+top+",width="+width+",height="+height+",dependent=" + ((dependent) ? "yes" : "no") + ",location=no,menubar=no,resizable=" + ((resizable) ? "yes" : "no") + ",scrollbars=" + ((scrollbars) ? "yes" : "no") + ",status=no,toolbar=no");

    mypopup.focus();

    return;



}



function setMarker(row, color) {  // coded my maurice



	var cells = null;



	// check parameters

	if (color == '' || typeof(row.style) == 'undefined') {

		return false;

	}



	// get the current row and exits if the browser can't get it

	if (typeof(document.getElementsByTagName) != 'undefined') {

		cells = row.getElementsByTagName('td');

	} else if (typeof(row.cells) != 'undefined') {

		cells = row.cells;

	} else {

		return false;

	}



	var numcells = cells.length;

	curcolor = cells[0].style.backgroundColor;



	if (curcolor == '' || curcolor.toLowerCase() != color.toLowerCase()) {



		var i = 0;



		for (i = 0; i < numcells; i++) {

			cells[i].style.backgroundColor = color;

		}



	}



	return true;



}


function getRadioGroupValue(radioGroupObj)
{
  for (var i=0; i < radioGroupObj.length; i++)
    if (radioGroupObj[i].checked) return radioGroupObj[i].value;

  return null;
}

function getQueryVariable() {
  var query = window.location.search.substring(1);  
  var vars = query.split("&");
  var arr = new Array(); 
  for (var i=0;i<vars.length;i++) {
    var pair = vars[i].split("=");
    arr[pair[0]] = pair[1];
  }
 return arr;
}

function getelement(id) {



	if (typeof(id) != 'string') return id;



	if (document.getElementById) {

		return document.getElementById(id);

	} else if (document.all) {

		return document.all[id];

	} else {

		return null;

	}



}



function checkall(formname, checkboxname) {  // coded my maurice



	if (document.forms[formname].elements[checkboxname + '_checkall'].checked == true) {



		for (i = 0; i < document.forms[formname].length; ++i) {



			if ((document.forms[formname].elements[i].type == 'checkbox') && (document.forms[formname].elements[i].id.search(checkboxname + '_.+') != -1)) {

				document.forms[formname].elements[i].checked = true;

			}



		}



	} else {



		for (i = 0; i < document.forms[formname].length; ++i) {



			if ((document.forms[formname].elements[i].type == 'checkbox') && (document.forms[formname].elements[i].id.search(checkboxname + '_.+') != -1)) {

				document.forms[formname].elements[i].checked = false;

			}



		}



	}



}



function checkall_blind(formname, type, offset) { //coded by kostas



	form = document.forms[formname];

	i = offset;



	while (element = form.elements[i]) {

		if (element.type == 'checkbox'){

			switch (type) {

				case -1:	element.checked = !element.checked; break;

				case  0:	element.checked = false; break;

				case  1:	element.checked = true; break;

			}

		}

		i++;



	}



	return true;



}



function checktoggle(checkboxname) {  // coded my maurice



	checkbox = getelement(checkboxname);



	if (checkbox) {

    	checkbox.checked = !checkbox.checked;

    }



}



function setRowOver(row, glow) {  // coded my maurice



	if (row.className != null) {



		if (row.className == 'ListRow1' && glow) {

			row.className = 'ListRowOver1';

		} else if (row.className == 'ListRow2' && glow) {

			row.className = 'ListRowOver2';

		} else if (row.className == 'ListRowOver1' && !glow) {

			row.className = 'ListRow1';

		} else if (row.className == 'ListRowOver2' && !glow) {

			row.className = 'ListRow2';

		}



	}



}



function toggleCheckbox(id) {



    var name = id;

    var x = getelement(name);



    if (x.checked == true) {

        x.checked = false;

    } else {

        x.checked = true;

    }



}





function httpGetSync(uri) {



    var xmlhttp = null;



    try {

        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

    } catch (e) {

        try {

            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

        } catch (e) {

            xmlhttp = null;

        }

    }





    if (xmlhttp == null && typeof XMLHttpRequest != 'undefined') {

        xmlhttp = new XMLHttpRequest();

    }



    if (xmlhttp != null) {



        xmlhttp.open('GET', uri, false);

        xmlhttp.send(null);



        if (xmlhttp.status == '200') {

            return xmlhttp.responseText;

        }



    }



    return '';



}



function httpPostSync(uri, data) {



    var xmlhttp = null;



    try {

        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

    } catch (e) {

        try {

            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

        } catch (e) {

            xmlhttp = null;

        }

    }





    if (xmlhttp == null && typeof XMLHttpRequest != 'undefined') {

        xmlhttp = new XMLHttpRequest();

    }



    if (xmlhttp != null) {



        xmlhttp.open('POST', uri, false);

        xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded')

        xmlhttp.send(data);



        if (xmlhttp.status == '200') {

            return xmlhttp.responseText;

        }



    }



    return '';



}





function httpGetAsync(uri, callback) {



    var xmlhttp = null;



    try {

        xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");

    } catch (e) {

        try {

            xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");

        } catch (e) {

            xmlhttp = null;

        }

    }





    if (xmlhttp == null && typeof XMLHttpRequest != 'undefined') {

        xmlhttp = new XMLHttpRequest();

    }



    if (xmlhttp != null) {



        xmlhttp.open('GET', uri, true);

        xmlhttp.onreadystatechange = function() { callback(xmlhttp); }

        xmlhttp.send(null);



    }



    return xmlhttp;



}





function getElement(id) {



	if (typeof(id) != 'string') return id;



	if (document.getElementById) {

		return document.getElementById(id);

	} else if (document.all) {

		return document.all[id];

	} else {

		return null;

	}



}





function getObjectX(e) {



	if (e != getElement(e)) return 0;

	var x = 0;

	while (e) {

		if (e.offsetLeft != 'undefined') x += e.offsetLeft;

		e = (e.offsetParent != 'undefined') ? e.offsetParent : null;

	}



	return x;



}





function getObjectY(e) {



	if (e != getElement(e)) return 0;

	var y = 0;

	while (e) {

		if (e.offsetTop != 'undefined') y += e.offsetTop;

		e = (e.offsetParent != 'undefined') ? e.offsetParent : null;

	}



	return y;



}



function setSelectedTextRange(elm, selectionStart, selectionEnd) {



	if (elm.setSelectionRange) {

		elm.focus();

		elm.setSelectionRange(selectionStart, selectionEnd);

	} else if (elm.createTextRange) {

		var range = elm.createTextRange();

		range.collapse(true);

		range.moveEnd('character', selectionEnd);

		range.moveStart('character', selectionStart);

		range.select();

	}



}



function setCursor(element, position) {



    try {



        if (element.createTextRange) {

        	var range = element.createTextRange();

        	range.move('character', position);

        } else if (element.setSelectionRange) {

        	element.setSelectionRange(position, position);

        }



    } catch (Exception) {

    }



}



function switchUsageCheckboxes() {



    var fields = new Array('detail_usage_keepintouch', 'detail_usage_findoldfriends', 'detail_usage_findnewfriends', 'detail_usage_shareinterests', 'detail_usage_businessnetworking');



    for (var i = 0; i < fields.length; ++i) {



        if (getElement('detail_usage_lookaround').checked != true) {

            fieldStatusEnable(fields[i]);

        } else {

            fieldStatusDisable(fields[i]);

            getElement(fields[i]).checked = false;

        }



    }



}



String.prototype.trim = function() { return this.replace(/^\s+|\s+$/, ''); };