function leipzig() {
l = (screen.availWidth/2)-400;
t = (screen.availHeight/2)-300;
fenster = window.open("/leipzig/index.html", "neu", "width=800,height=600,left="+l+",top="+t+",toolbar=0,location=0,directories=0,status=0,menubar=0,resizable=no,scrollbars=no,copyhistory=0");
fenster.focus();
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_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 collapseElem(obj)
		{
			var el = document.getElementById(obj);
			el.style.display = 'none';
		}


		function expandElem(obj)
		{
			var el = document.getElementById(obj);
			el.style.display = '';
		}


			// collapse all elements, except the first one
			function collapseAll()
			{
				var numFormPages = 1;

				for(i=2; i <= numFormPages; i++)
				{
					currPageId = ('mainForm_' + i);
					collapseElem(currPageId);
				}
			}


			function validateField(fieldId, fieldBoxId, fieldType, required)
			{
				fieldBox = document.getElementById(fieldBoxId);
				fieldObj = document.getElementById(fieldId);

				if(fieldType == 'text'  ||  fieldType == 'textarea'  ||  fieldType == 'password'  ||  fieldType == 'file'  ||  fieldType == 'phone'  || fieldType == 'website')
				{	
					if(required == 1 && fieldObj.value == '')
					{
						fieldObj.setAttribute("class","mainFormError");
						fieldObj.setAttribute("className","mainFormError");
						fieldObj.focus();
						return false;					
					}

				}


				else if(fieldType == 'menu'  || fieldType == 'country'  || fieldType == 'state')
				{	
					if(required == 1 && fieldObj.selectedIndex == 0)
					{				
						fieldObj.setAttribute("class","mainFormError");
						fieldObj.setAttribute("className","mainFormError");
						fieldObj.focus();
						return false;					
					}

				}


				else if(fieldType == 'email')
				{	
					if((required == 1 && fieldObj.value=='')  ||  (fieldObj.value!=''  && !validate_email(fieldObj.value)))
					{				
						fieldObj.setAttribute("class","mainFormError");
						fieldObj.setAttribute("className","mainFormError");
						fieldObj.focus();
						return false;					
					}

				}



			}

			function validate_email(emailStr)
			{		
				apos=emailStr.indexOf("@");
				dotpos=emailStr.lastIndexOf(".");

				if (apos<1||dotpos-apos<2) 
				{
					return false;
				}
				else
				{
					return true;
				}
			}


			function validateDate(fieldId, fieldBoxId, fieldType, required,  minDateStr, maxDateStr)
			{
				retValue = true;

				fieldBox = document.getElementById(fieldBoxId);
				fieldObj = document.getElementById(fieldId);	
				dateStr = fieldObj.value;


				if(required == 0  && dateStr == '')
				{
					return true;
				}


				if(dateStr.charAt(2) != '/'  || dateStr.charAt(5) != '/' || dateStr.length != 10)
				{
					retValue = false;
				}	

				else	// format's okay; check max, min
				{
					currDays = parseInt(dateStr.substr(0,2),10) + parseInt(dateStr.substr(3,2),10)*30  + parseInt(dateStr.substr(6,4),10)*365;
					//alert(currDays);

					if(maxDateStr != '')
					{
						maxDays = parseInt(maxDateStr.substr(0,2),10) + parseInt(maxDateStr.substr(3,2),10)*30  + parseInt(maxDateStr.substr(6,4),10)*365;
						//alert(maxDays);
						if(currDays > maxDays)
							retValue = false;
					}

					if(minDateStr != '')
					{
						minDays = parseInt(minDateStr.substr(0,2),10) + parseInt(minDateStr.substr(3,2),10)*30  + parseInt(minDateStr.substr(6,4),10)*365;
						//alert(minDays);
						if(currDays < minDays)
							retValue = false;
					}
				}

				if(retValue == false)
				{
					fieldObj.setAttribute("class","mainFormError");
					fieldObj.setAttribute("className","mainFormError");
					fieldObj.focus();
					return false;
				}
			}