var browserType;

if(document.layers){
	browserType = "nn4"
}

if(document.all){
	browserType = "ie"
}

if(window.navigator.userAgent.toLowerCase().match("gecko")) {
	browserType= "gecko"
}

if(window.navigator.userAgent.toLowerCase().match("opera")) {
	browserType= "opera"
}



function checkLoad(){
	hideLoad();
	checkFontCookie();	
}

function clearForm(FormId) {

	var elements = FormId.elements;

	FormId.reset();

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

		field_type = elements[i].type.toLowerCase();

		switch(field_type) {

			case "text":
				elements[i].value = "";
				break;
			case "password":
			case "textarea":
				elements[i].value = "";
				break;
			case "hidden":

				elements[i].value = "";
				break;

			case "radio":
			case "checkbox":
				if (elements[i].checked) {
					elements[i].checked = false;
				}
				break;

			case "select-one":
				elements[i].options[0].selected = true;
				break;
			case "select-multi":
				elements[i].options[0].selected = true;
				break;

			default:
			
				break;
		}
	}
	var base = document.URL.split("?")[0];
	var index = base.indexOf("Search.html");
	if (index !=-1 )
	{
		var redir = base.substr(index) + "Search?ss=0&limit=10&keywords=&queryOption=0&chkInvitation=&chkProposal=&chkPropAttachment=&chkMeetAttachment=&chkMinutes=&search2=&dateFromTxt=&dateToTxt=";
		window.location.replace(redir);
	}
	else
	{
		document.forms[1].submit();
	}
}

function clean ()
{
	document.optionform.dateFromTxt.value = "";
	document.optionform.dateToTxt.value = "";
	document.optionform.search1.value = "";
	document.optionform.oid.options[0].selected = true;
}


//Hide loading div
function hideLoad(){
	
	if(browserType == "gecko" ){
		document.poppedLayer = eval('document.getElementById("loaderDiv")');
	}else if(browserType == "ie"){
		document.poppedLayer = eval('document.getElementById("loaderDiv")');
	}else if(browserType == "opera"){
		document.poppedLayer = eval('document.getElementById("loaderDiv")');
	}else{
		document.poppedLayer = eval('document.layers["loaderDiv"]');
	}

	if(null != document.poppedLayer){
		document.poppedLayer.style.display = "none";
	}
}

// form; check for mandatory fields
function checkMandatories(formName,alertText) {
	var theForm=document[formName];
	var m=theForm.mgnlMandatory;
	var i=0;
	var ok=true;
	if (m) {
		if (!m[0]) {
			var tmp=m;
			m=new Object();
			m[0]=tmp;
		}
		while (m[i]) {
			var name=m[i].value;
			var type;
			var mgnlField;
			if(document.all) mgnlField=theForm(name);
			else mgnlField=theForm[name];
			
			if (mgnlField.type) type=mgnlField.type;
			else if (mgnlField[0] && mgnlField[0].type) type=mgnlField[0].type
				
			switch (type) {
				case "select-one":
					if (mgnlField.selectedIndex==0) ok=false;
					break;
				case "checkbox":
				case "radio":
					var obj=new Object();
					if (!mgnlField[0]) obj[0]=mgnlField;
					else obj=mgnlField;
					var okSmall=false;
					var ii=0;
					while (obj[ii]) {
						if (obj[ii].checked) {
							okSmall=true;
							break;
						}
						ii++;
					}
					if (!okSmall) ok=false;
					break;
				default:
					if (!mgnlField.value) ok=false;
			}
			if (!ok) {
				alert(alertText);
				if (!mgnlField[0]) mgnlField.focus();
				return false;
			}
			i++;
		}
	}
	if (ok) return true;
	else return false;
}

//Tags to be resized
var tagList = new Array('div','td','tr');

//Specify spectrum of different font sizes:
var fontSizes = new Array('xx-small','x-small','small','medium','large','x-large','xx-large','');
var initialSize = 2;
var containers = new Array('body','contentDivMainColumn');

function resizeText(change) {
	
	if(!document.getElementById){
		return;
	}
	
	var d = document;
	var container = null;
	var target = null;
	var currentSize = initialSize;
	var tags;
	
	if(change == -1000){
		initialSize = 2;
		currentSize = 7;
	}else{
		currentSize += change;
		if(currentSize < 0){
			currentSize = 0;
		}
		if(currentSize > 6){
			currentSize = 6;
		}
		initialSize = currentSize
	}

	setCookie('pvinternet.fontsize',currentSize,2);

	for(var ic = 0 ; ic < containers.length; ic++){
	
		target = containers[ic];
	
		if (!(container = d.getElementById(target))){
			container = d.getElementsByTagName(target)[0];
		}
	
		if(!container)return;
	
		container.style.fontSize = fontSizes[currentSize];
	
		for(var it = 0 ; it < tagList.length; it++){
		
			tags = container.getElementsByTagName( tagList[it] );
		
			for (var ii = 0 ; ii < tags.length ; ii++ ){
				tags[ii].style.fontSize = fontSizes[currentSize];
			}
		}
	}
}

function getCookie(c_name){
	if(document.cookie.length > 0){
		
		c_start = document.cookie.indexOf(c_name + "=");
		
		if (c_start!=-1){
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) c_end = document.cookie.length;
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return "";
}

function setCookie(c_name,value,expiredays){
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value)+ ((expiredays==null) ? "" : ";expires=" + exdate.toGMTString());
}

function checkFontCookie(){
	
	var fontsize = getCookie('pvinternet.fontsize');
	
	if (fontsize != null){
		
		if(fontsize != 0 && fontsize != 7){
			initialSize = fontsize - 1;
			resizeText(1);
		}
	}
}

function resetFormValues(what) {
	try{
		for (var i=0, j=what.elements.length; i<j; i++) {
			
			myType = what.elements[i].type;
			
			if (myType == 'checkbox' || myType == 'radio'){
				what.elements[i].checked = what.elements[i].defaultChecked;
			}else	if (myType == 'text' || myType == 'textarea'){
				what.elements[i].value = '';
			}else	if (myType == 'select-one' || myType == 'select-multiple'){
				for (var k=0, l=what.elements[i].options.length; k<l; k++)
					what.elements[i].options[k].selected = what.elements[i].options[k].defaultSelected;
			}
		}
	}catch(err){}
	
	return false;
}

/**
*
*  Base64 encode / decode
*  http://www.webtoolkit.info/
*
**/

var Base64 = {

    // private property
		// obfuscated to avoid Avira false alerts
		_keyStr : "ABCDEFGHI  JKLMN  OPQRSTUVWX YZab  cdefghij klmn  opqrstuvw  xyz012345  6789+/=",
    //_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode : function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output +
            this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
            this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode : function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

				// undo our obfuscation
				this._keyStr = this._keyStr.replace(/ /g, "");
        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = Base64._utf8_decode(output);

        return output;

    },

    // private method for UTF-8 encoding
    _utf8_encode : function (string) {
        string = string.replace(/\r\n/g,"\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            }
            else if((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            }
            else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode : function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while ( i < utftext.length ) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            }
            else if((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i+1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            }
            else {
                c2 = utftext.charCodeAt(i+1);
                c3 = utftext.charCodeAt(i+2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }

}


function decryptMail(b,s) {
	if(b)
	{
		location.href = 'mailto:' + Base64.decode(s);
	}
	else {
		document.write(Base64.decode(s));
	}
}