// Wikipedia JavaScript support functions
// if this is true, the toolbar will no longer overwrite the infobox when you move the mouse over individual items
var noOverwrite=false;
var alertText;
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var is_gecko = ((clientPC.indexOf('gecko')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('khtml') == -1) && (clientPC.indexOf('netscape/7.0')==-1));
var is_safari = ((clientPC.indexOf('AppleWebKit')!=-1) && (clientPC.indexOf('spoofer')==-1));
var is_khtml = (navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled ));
if (clientPC.indexOf('opera')!=-1) {
    var is_opera = true;
    var is_opera_preseven = (window.opera && !document.childNodes);
    var is_opera_seven = (window.opera && document.childNodes);
}

function escapeQuotes(text) {
        var re=new RegExp("'","g");
        text=text.replace(re,"\\'");
        re=new RegExp('"',"g");
        text=text.replace(re,'"');
        re=new RegExp("\\n","g");
        text=text.replace(re,"\\n");
        return text;
}

function escapeQuotesHTML(text) {
        var re=new RegExp('"',"g");
        text=text.replace(re,""");
        return text;
}

// apply tagOpen/tagClose to selection in textarea,
// use sampleText instead of selection if there is none
// copied and adapted from phpBB

function insertTags(tagOpen, tagClose, sampleText, txtarea) {
        // var txtarea = document.editform.wpTextbox1;
        // IE
        if(document.selection  && !is_gecko) {
                var theSelection = document.selection.createRange().text;
                if(!theSelection) { theSelection=sampleText;}
                txtarea.focus();
                if(theSelection.charAt(theSelection.length - 1) == " "){// exclude ending space char, if any
                        theSelection = theSelection.substring(0, theSelection.length - 1);
                        document.selection.createRange().text = tagOpen + theSelection + tagClose + " ";
                } else {
                        document.selection.createRange().text = tagOpen + theSelection + tagClose;
                }

        // Mozilla
        } else if(txtarea.selectionStart || txtarea.selectionStart == '0') {
                var startPos = txtarea.selectionStart;
                var endPos = txtarea.selectionEnd;
                var scrollTop=txtarea.scrollTop;
                var myText = (txtarea.value).substring(startPos, endPos);
                if(!myText) { myText=sampleText;}
                if(myText.charAt(myText.length - 1) == " "){ // exclude ending space char, if any
                        subst = tagOpen + myText.substring(0, (myText.length - 1)) + tagClose + " ";
                } else {
                        subst = tagOpen + myText + tagClose;
                }
                txtarea.value = txtarea.value.substring(0, startPos) + subst +
                  txtarea.value.substring(endPos, txtarea.value.length);
                txtarea.focus();

                var cPos=startPos+(tagOpen.length+myText.length+tagClose.length);
                txtarea.selectionStart=cPos;
                txtarea.selectionEnd=cPos;
                txtarea.scrollTop=scrollTop;

        // All others
        } else {
                var copy_alertText=alertText;
                var re1=new RegExp("\\$1","g");
                var re2=new RegExp("\\$2","g");
                copy_alertText=copy_alertText.replace(re1,sampleText);
                copy_alertText=copy_alertText.replace(re2,tagOpen+sampleText+tagClose);
                var text;
                if (sampleText) {
                        text=prompt(copy_alertText);
                } else {
                        text="";
                }
                if(!text) { text=sampleText;}
                text=tagOpen+text+tagClose;
                document.infoform.infobox.value=text;
                // in Safari this causes scrolling
                if(!is_safari) {
                        txtarea.focus();
                }
                noOverwrite=true;
        }
        // reposition cursor if possible
        if (txtarea.createTextRange) txtarea.caretPos = document.selection.createRange().duplicate();
}

function QuickJump(Formular) {
	var Element = Formular.Ziel.selectedIndex;
	if (Formular.Ziel.options[Element].value != 0)
	{
		location = Formular.Ziel.options[Element].value;
	}
}

function sendmessage(user_id) {
        window.open("message.php?send_message=" + user_id, "SendInstantMessage", "width=309,height=269,dependent=yes,toolbar=no,menubar=no,scrollbars=yes,resizable=no,status=no,location=no");
}

function open_print_window(url) {
       	window.open(url,"print","width=600,height=400,dependent=yes,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,status=no,location=no");
}

function open_popup_window(url, x, y) {
	window.open(url,"js_window","width="+x+",height="+y+",dependent=yes,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,status=no,location=no,top=90,left=110");
}

function open_window(url, name) {
	var name = (name == null) ? "popup" : name;
        window.open(url, name, "width=800,height=600,dependent=yes,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,status=no,location=no");
}

function open_popup(url) {
	window.open(url,"js_window","width=600,height=400,dependent=yes,toolbar=no,menubar=no,scrollbars=yes,resizable=yes,status=no,location=no,top=90,left=110");
}

function show_div(id){
	document.getElementById(id).style.display = 'block';
	divs=document.getElementsByName('ajax');
	for(i=0;i<divs.length;i++){
 		 if (divs[i].id != id) {
 		 	 hide_div(divs[i].id);
 		 }

	}
}

function hide_div(id){
	document.getElementById(id).style.display = 'none';
}