/**********************************************************************/
/* Funktion fuer Rollover            																  */	
/**********************************************************************/
function switch_image(img_name, img_src, location)
{
	if(location == "outside" && navigator.appName == "Netscape")
	{
		document[img_name].src="../../shared/bu_navi_on.gif";	
	}
	else
	{
		document[img_name].src=img_src;		
	}
}

/**********************************************************************/
/* Funktion laed Images vor          																  */	
/**********************************************************************/
function preload_images() 
{ 
  var d=document; 
	if(d.images)
	{ 
		if(!d.MM_p) d.MM_p=new Array();
   	var i,j=d.MM_p.length,a=preload_images.arguments; 
		for(i=0; i<a.length; i++)
		{
   		if (a[i].indexOf("#")!=0)
			{ 
				d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];
			}
		}
	}
}		

/**********************************************************************/
/* Funktion checkt die E-Mail-Adresse																  */	
/**********************************************************************/
function isEmail(Letter)
{
        var iX;
        var iY=0;
        var lastpoint=0;
        for (iX=0;iX<Letter.length;iX++)
        {
                if (Letter.charAt(iX)=="@")
                        iY++;
        }
        for (iX=0;iX<Letter.length;iX++)
        {
                if (Letter[iX]==".")
                        lastpoint=iX;
        }
                if ( (Letter.indexOf(".")!=-1) && (Letter.indexOf("@")!=Letter.length)
          && (Letter.indexOf(".")!=Letter.length) && (Letter.indexOf(" ")==-1) 
          && (Letter.indexOf(".")<Letter.length-2) && (iY==1)
          && (Letter.indexOf("@")!=0) && (Letter.charAt(Letter.indexOf("@")+1)!="."))
                return true;
        else
                return false;
}



/**********************************************************************/
/* Funktion integriert das passende Styleshett 			             			*/	
/* Input: Pfadangabe zum Styleshett; Format: "../../shared/"          */
/**********************************************************************/
function checkstylesheet(path)
{
	if(navigator.appName == "Netscape")
	{if(navigator.platform == "Win32")
	{if((navigator.appVersion.substr(0,1)) >= 5)
	{document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\""+path+"style_pc_ns6.css\">");}
	else{document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\""+path+"style_pc_ns.css\">");}
	}else{if((navigator.appVersion.substr(0,1)) >= 5)
	{document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\""+path+"style_mac_ns6.css\">");}
	else{document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\""+path+"style_mac_ns.css\">");}}			
	}else{if(navigator.platform == "Win32"){document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\""+path+"style_pc_ie.css\">");}else
	{document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\""+path+"style_mac_ie.css\">");}}		
}			

/**********************************************************************/
/* Funktion oeffnet ein	Pop-Up-Fenster							             			*/	
/**********************************************************************/
function open_window(url, w, h)  
{
	var winleft = (screen.width - w) / 2; 
	var wintop = (screen.height - h) / 2;
	var winprops = "height="+h+",width="+w+",top="+wintop+",left="+winleft+",scrollbars=0,resizable=0,location=0";
	 var myname = "POPUP";
	 var num = Math.round((99999)*Math.random());
	 myname=num;

	var win = window.open(url, myname, winprops);
	if(window.focus) 
	{
		win.focus();
	}
}


function sendRequest(parm)
{
	suchbegriffe = window.document.forms["libriform"].librisuche.value;
	suchstring = "";
	for (ix=0;ix<suchbegriffe.length;ix++)
		if (suchbegriffe.charAt(ix) == " ")
			suchstring = suchstring+"%20";
		else
			suchstring = suchstring+suchbegriffe.charAt(ix);
	if (suchstring.length==0)
	{
		alert("Bitte geben Sie einen Suchbegriff ein.");
		return false;
	}
	else
	{
		location.replace("http://www.libri.de/shop/action/quickSearch?searchString="+suchstring+"&aUrl=90006941");
		return false;
	}
}


function sendRequest2()
{
	suchbegriffe = window.document.forms["libriform"].librisuche.value;
	suchstring = "";
	for (ix=0;ix<suchbegriffe.length;ix++)
		if (suchbegriffe.charAt(ix) == " ")
			suchstring = suchstring+"%20";
		else
			suchstring = suchstring+suchbegriffe.charAt(ix);
	if (suchstring.length==0)
	{
		alert("Bitte geben Sie einen Suchbegriff ein.");
	}
	else
	{
		location.replace("http://www.libri.de/shop/action/quickSearch?searchString="+suchstring+"&aUrl=90006941");
		return false;
	}
}


	function preloadImages() 
	{  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	    var i,j=d.MM_p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
	    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}
	
	function movepic(img_name,img_src) 
	{document[img_name].src=img_src;}
	
	function Mark(zahl)
	{	if (zahl==1)
			{movepic('pic1','../../pix/navigation/navi_startseite_on.gif');}
		if (zahl==2)
			{movepic('pic2','../../pix/navigation/navi_ueber_uns_on.gif');}
		if (zahl==3)
			{movepic('pic3','../../pix/navigation/navi_kontakt_on.gif');}
		if (zahl==4)
			{movepic('pic4','../../pix/navigation/navi_impressum_on.gif');}
		if (zahl==5)
			{movepic('pic5','../../pix/navigation/navi_agb_on.gif');}
	}
	
	function DoClick(zahl)
	{
		iSelected=zahl;
		DoSelect();
	}
	
	function DoSelect(zahl)
	{
		clean_up();
		Mark(iSelected);
	}
	
	function Demark(zahl)
	{	if ((zahl==1) && (iSelected!=1))
			movepic('pic1','../../pix/navigation/navi_startseite_off.gif');
		if ((zahl==2) && (iSelected!=2))
			movepic('pic2','../../pix/navigation/navi_ueber_uns_off.gif');	
		if ((zahl==3) && (iSelected!=3))
			movepic('pic3','../../pix/navigation/navi_kontakt_off.gif');	
		if ((zahl==4) && (iSelected!=4))
			movepic('pic4','../../pix/navigation/navi_impressum_off.gif');	
		if ((zahl==5) && (iSelected!=5))
			movepic('pic5','../../pix/navigation/navi_agb_off.gif');	
	}
	
	
	function clean_up()
	{
		movepic('pic1','../../pix/navigation/navi_startseite_off.gif');
		movepic('pic2','../../pix/navigation/navi_ueber_uns_off.gif');	
		movepic('pic3','../../pix/navigation/navi_kontakt_off.gif');	
		movepic('pic4','../../pix/navigation/navi_impressum_off.gif');	
		movepic('pic5','../../pix/navigation/navi_agb_off.gif');	
	}

	
	//pre-loading der navi-bilder
	preloadImages("../../pix/navigation/navi_startseite_off.gif");
	preloadImages("../../pix/navigation/navi_startseite_on.gif");
	
	preloadImages("../../pix/navigation/navi_ueber_uns_off.gif");
	preloadImages("../../pix/navigation/navi_ueber_uns_on.gif");
	
	preloadImages("../../pix/navigation/navi_kontakt_off.gif");
	preloadImages("../../pix/navigation/navi_kontakt_on.gif");
	
	preloadImages("../../pix/navigation/navi_impressum_off.gif");
	preloadImages("../../pix/navigation/navi_impressum_on.gif");
	
	preloadImages("../../pix/navigation/navi_agb_off.gif");
	preloadImages("../../pix/navigation/navi_agb_on.gif");