function changeCssAttrib(cssElement, attribute, value,valueTop){
		// thx to www.shanolson.net for assisting with this function. :)
			usedStyles = document.styleSheets;
			var cssList    = 0;
			var safariName = cssElement;

			if(cssElement.substring(0,1) == "#"){  //  this is needed for safari
				safariName = "*[ID\"" + cssElement.substring(1) + "\"]";
			}
			
			if(usedStyles){  //  ie, mozilla
				if(usedStyles[0]['rules']){  //  different way for different browsers  (IE)
					cssList = 'rules';
				} else if(usedStyles[0]['cssRules']) {  //  (Mozilla)
					cssList = 'cssRules';
				}
				
				for( i=0; i<usedStyles.length; i++){  //  walk through all loaded files
					theCSS = usedStyles[i][cssList];
					for(j=0;j<theCSS.length;j++){  //  content of all styles
						if(theCSS[j].selectorText == cssElement || theCSS[j].selectorText == safariName){  //  get the desired element
							theCSS[j].style[attribute] = value;
						}
					}
				}
				//document.getElementById('footer').style['top'] = valueTop-10 + "px";
			} else {  //  opera
				name = cssElement.substring(1);
				if(cssElement.substring(0,1) == "#"){
					elem = document.getElementById(name);
					elem.style[attribute] = value;
				} else {
					elems = document.getElementsByTagName("div");
					for(i=0;i<elems.length;i++){
						if(elems[i].getAttribute("class") == name){
							elems[i].style[attribute] = value;
						}
					}
				}
			}
		}
		
		function resizeWindow(){
			var bottomBorder = 10;
			var navOffset = document.getElementById("mainnav").offsetHeight;

			// homepage?
			if(document.getElementById("redbox")) {
			var redOffset = document.getElementById("redbox").offsetHeight;			
			var rsOffset = document.getElementById("hprechtespalte").offsetHeight;
			
			//alert(rsOffset);	
			}
			// italian homepage?
			if(document.getElementById("redboxit")) {
			var redOffset = document.getElementById("redboxit").offsetHeight;
			}
			
			//  get size of the page and of some elements
			var  y_used = document.body.scrollHeight;    //  used height
			
			if(window.innerHeight){  //  Mozilla, Opera
				y_possible = window.innerHeight;
				y_used += 1;
			} else if(document.body.parentNode.offsetHeight){  //  Internet Explorer
				    y_possible = document.body.offsetHeight;  //  possible height
				//alert(y_possible);
				y_possible = document.body.parentNode.offsetHeight;  //  possible height
				y_used += 2;
				y_possible -= 3;
			}
			
			if(y_used < (y_possible)){  //  with scrollbars
				y = y_possible;
			} else {  //  content fits in screen
				y = y_used;
			}
			
			//  here we change the sizes of the elements
			//  this works only with classes in safari!!!!!
			changeCssAttrib('#content', 'height', (y - 130 - bottomBorder) + "px", y );
			changeCssAttrib('#navigation', 'height', (y - 90 - bottomBorder) + "px", y );
			changeCssAttrib('#rechtespaltebg', 'height', (y - 118 - bottomBorder) + "px", y );
			changeCssAttrib('#submainnavimg', 'height', (y - 118 - navOffset - bottomBorder) + "px", y );
		// homepage?
			if(document.getElementById("redbox")) {
			
			// alert('wert1: ' + (rsOffset + 118) + ' wert2: ' + (y - 90 - bottomBorder) + '');
			if((rsOffset + 118) > (y - 118 - bottomBorder)) {
			//alert('rboxhack');
				changeCssAttrib('#navigation', 'height', (rsOffset + 78) + "px", y );
				changeCssAttrib('#helpbox', 'height', (rsOffset - redOffset + 50) + "px", y );
				changeCssAttrib('#submainnavimg', 'height', (rsOffset - navOffset + 50) + "px", y );
				} else {
				changeCssAttrib('#helpbox', 'height', (y - 118 - redOffset - bottomBorder) + "px", y );
				}
			}
		// italian homepage?
			if(document.getElementById("redboxit")) {
			changeCssAttrib('#helpbox', 'height', (y - 118 - redOffset - bottomBorder) + "px", y );
			}
		}