function kundenkaufenbox(){
                if (jQuery.browser.opera || jQuery.browser.safari || jQuery.browser.mozilla) {                      
                   	var fcheight=document.getElementById('fcitems').offsetHeight; 
                    if(fcheight <= '340'){                       
        		       document.getElementById('infinite').style.height=""+(fcheight-30)+"px";     		
        	           }else if(fcheight <= '380' && fcheight > '340'){        	                
      		              document.getElementById('infinite').style.height=""+fcheight-30+"px";                
    	               }  	
                            else{                                
                              document.getElementById('infinite').style.height=""+fcheight-30+"px";                              
                            }  	
                 }else if(jQuery.browser.msie && jQuery.browser.version <= 7 ){      
                    fcheight=document.getElementById('fcitems').offsetHeight;          
                    if(fcheight <= '340'){
        	       	document.getElementById('infinite').style.height=""+fcheight-10+"px";               				
        	          }else if(fcheight <= '380' && fcheight > '340'){
        		         document.getElementById('infinite').style.height=""+fcheight-10+"px";               
        	          }  	
                            else{
                              document.getElementById('infinite').style.height=""+fcheight-10+"px";
                            }  	
               }   
               else if(jQuery.browser.msie && jQuery.browser.version == 8 ){      
                    fcheight=document.getElementById('fcitems').offsetHeight;          
                    if(fcheight <= '340'){
        	       	document.getElementById('infinite').style.height=""+fcheight-30+"px";               				
        	          }else if(fcheight <= '380' && fcheight > '340'){
        		         document.getElementById('infinite').style.height=""+fcheight-30+"px";               
        	          }  	
                            else{
                              document.getElementById('infinite').style.height=""+fcheight-30+"px";
                            }  	
               }           	 
}