function MouseOn(NavButton) {
   var Length = NavButton.src.length;
   NavButton.src = NavButton.src.substr(0, Length-4)+'_over'+NavButton.src.substr(Length-4, Length);
}
function MouseOut(NavButton) {
   var Length = NavButton.src.length;
   NavButton.src = NavButton.src.substr(0, Length-9)+NavButton.src.substr(Length-4, Length);	   
}
function Produkt(Produkt) {
   var MDB = new Array('de_test.mdb.zip', '6.3 MB', 'b8586a785a0c1d2be33c246e6b1c34e7');
   var SQL = new Array('de_test.sql.zip', '3.1 MB', 'a0b593c19a0e928f4c4ca9c666df7115');
   var CSV = new Array('de_test.csv.zip', '3.1 MB', 'b749de1fb0a0f895b1ec25e0e88045ef');
   switch(Produkt.name) {
      case 'MDB':
	      document.getElementById('dateiname').innerHTML    = MDB[0];
	      document.getElementById('dateigroesse').innerHTML = MDB[1];
	      document.getElementById('pruefsumme').innerHTML   = MDB[2];
	   break;
      case 'SQL':
	      document.getElementById('dateiname').innerHTML    = SQL[0];
	      document.getElementById('dateigroesse').innerHTML = SQL[1];	
	      document.getElementById('pruefsumme').innerHTML   = SQL[2]; 
	   break;
      case 'CSV':
	      document.getElementById('dateiname').innerHTML    = CSV[0];
	      document.getElementById('dateigroesse').innerHTML = CSV[1];		   
	      document.getElementById('pruefsumme').innerHTML   = CSV[2];
	   break;   
	   default:
		   document.getElementById('dateiname').innerHTML   = SQL[0];
	      document.getElementById('dateigroesse').innerHTML = SQL[1];	
	      document.getElementById('pruefsumme').innerHTML   = SQL[2]; 			   
		break;
   }
}  
function PruefeKontaktForm() {
   var Input = new Array('anrede', 'name', 'email', 'betreff', 'nachricht');
   var Info  = document.getElementById('info');
   var f     = "";
   var i     = 0;
   for(i=0;i<Input.length;i++) {
      f = document.getElementById(Input[i]);
      if(!f.value || f.value == 0) {
         f.className    = 'text_err';
         Info.innerHTML = 'Sie m&uuml;ssen die mit * gekennzeichnetet Felder ausf&uuml;llen, um das Formular abzusenden.';
         return false;
      } else {
         f.className    = 'text';
      }
   }
   return true;
}
function Blur(Input) {
   if(!Input.value) {
      Input.value = Input.name.substring(0,1).toUpperCase()+Input.name.substring(1);
   }
}
function Focus(Input) {
   var Value = Input.value.toLowerCase();
   if(Value == Input.name) {
      Input.value = "";
   }
}
function Show(Count) {
	   var Menu = new Array('0', '4', '3', '3');
	   var m    = 0;
	   for(m=0;m<Menu[Count];m++) {
		   document.getElementById('menu'+Count+m).className = 'nav_show';
	   }
}
function Hide(Count) {
	   var Menu = new Array('0', '4', '3', '3');
	   var m    = 0;
	   for(m=0;m<Menu[Count];m++) {
		   document.getElementById('menu'+Count+m).className = 'nav_hide';
	   }	   
}
function GetMetaKeywords(Checkbox) {
   if(Checkbox.value == 'on') {
      if(document.getElementById('domain').value) {
         document.location.href = '?s=google-ranking-check.html&d='+document.getElementById('domain').value;
      } else {
         alert('Bitte geben Sie eine g'+unescape("%FC")+'ltige Domain ein. z.B. crsystem.de');
         Checkbox.checked = false;
      }
   } else if(Checkbox.value == 'off') {
      document.getElementById('keywords').value = '';
      Checkbox.value                            = 'on';
   }
}