//Start getElementsByClassName      
/*
	Developed by Bikash Singh Maharjan
	WebSearch Professionals 
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};
//End getElementsByClassName       
    var minFont = 8;
    var maxFont = 20;
    var fontIncremented = false;
    var fontDecremented = false;
    
    var classArray = new Array("topDesc", 
                               "desc", 
                               "aktuelltDesc",
                               "normal",
                               "top",
                               "col1",
                               "hide",
                               "show",
                               "col1Left",
                               "contentInner",
                               "col2",
                               "colRightRightPnlDesc",
                               "header",
                               "contentSideLeft",
                               "contentSideRight",
                               "normalBig",
                               "subheadingRed",
                               "content"
                               //,
                               //"boxJobs"
                               //"plus",
                               //"grey"
                                 );
                                 


    function whichBrs() {
    var agt=navigator.userAgent.toLowerCase();
    if (agt.indexOf("opera") != -1) return 'Opera';
    if (agt.indexOf("staroffice") != -1) return 'Star Office';
    if (agt.indexOf("webtv") != -1) return 'WebTV';
    if (agt.indexOf("beonex") != -1) return 'Beonex';
    if (agt.indexOf("chimera") != -1) return 'Chimera';
    if (agt.indexOf("netpositive") != -1) return 'NetPositive';
    if (agt.indexOf("phoenix") != -1) return 'Phoenix';
    if (agt.indexOf("firefox") != -1) return 'Firefox';
    if (agt.indexOf("safari") != -1) return 'Safari';
    if (agt.indexOf("skipstone") != -1) return 'SkipStone';
    if (agt.indexOf("msie") != -1) return 'Internet Explorer';
    if (agt.indexOf("netscape") != -1) return 'Netscape';
    if (agt.indexOf("mozilla/5.0") != -1) return 'Mozilla';
    if (agt.indexOf('\/') != -1) {
    if (agt.substr(0,agt.indexOf('\/')) != 'mozilla') {
    return navigator.userAgent.substr(0,agt.indexOf('\/'));}
    else return 'Netscape';} else if (agt.indexOf(' ') != -1)
    return navigator.userAgent.substr(0,agt.indexOf(' '));
    else return navigator.userAgent;
}

    function increaseFontSizeFF(element)
    {
         if(window.getComputedStyle(element, null).fontSize ) {
             var s = parseInt(window.getComputedStyle(element, null).fontSize.replace("px",""));
             
          } 
         
          if(s < maxFont) {
             s += 2;
          }
          element.style.fontSize = s + "px";
    }
    
    function increaseFontSize(Object) {
        if(fontIncremented)
        {
            var decObj = getElementsByClassName('fontIncrease');
            //  decObj[0].className = 'fontIncrease activeText';
            decObj.className = 'current1';
             
            return;
         }
        else
        {
            fontIncremented = true;
            fontDecremented = false;
          //    var decObj = document.getElementsByClassName('fontIncrease');
          //  decObj[0].className = 'fontIncrease activeText';
           //  var decObj = document.getElementsByClassName('fontDecrease');
          //  decObj[0].className = 'fontDecrease inactiveText';
          
               var decObj = document.getElementById('fontIncrease');
               decObj.className = 'current1';
               var decObj = document.getElementById('fontDecrease');
               decObj.className = '';
               decObj.style.fontSize = '11px';
        }
        var brs = whichBrs();
        
        if(brs == "Firefox" || brs == "Safari")
        {
            for(j = 0; j < classArray.length; j++)
            {
                var elements = getElementsByClassName(classArray[j]);
                for(i = 0; i < elements.length; i++)
                    increaseFontSizeFF(elements[i]);
            }
            
        }
        else
        {
            for(j = 0; j < classArray.length; j++) {

                try {
                    var elements = getElementsByClassName(classArray[j]);
                } catch (ex) { }
                if (elements != null) {
                    for (i = 0; i < elements.length; i++)
                        increaseFontSizeNew(elements[i]);
                }
            }
            

       }
}

function increaseFontSizeNew(element)
{
    
    if(element.currentStyle.fontSize)
    {
        var s = parseInt(element.currentStyle.fontSize.replace("px",""));
        if(s < maxFont)
            s += 2;
        else
            return;
        element.style.fontSize = s + "px";    
    }
}
    function decreaseFontSize(object) {
     
     if(fontDecremented)
     {
         var decObj = getElementsByClassName('fontDecrease');
          //decObj[0].className = 'fontDecrease activeText';
           decObj.className = 'current';
            return;
          
      }
        else
        {
            fontDecremented = true;
            fontIncremented = false;
//            var decObj = document.getElementsByClassName('fontDecrease');
//            decObj[0].className = 'fontDecrease activeText';
//            var decObj = document.getElementsByClassName('fontIncrease');
//            decObj[0].className = 'fontIncrease inactiveText';
                var decObj = document.getElementById('fontIncrease');
               decObj.className = '';
               var decObj = document.getElementById('fontDecrease');
               decObj.className = 'current';
        }
     
     var brs = whichBrs();
    
    if(brs == "Firefox" || brs == "Safari")
    {
      for(j = 0; j < classArray.length; j++)
      {
        var elements = getElementsByClassName(classArray[j]);
        for(i = 0; i < elements.length; i++)
            decreaseFontSizeFF(elements[i]);
      }
    }
    else
    {
        for(j = 0; j < classArray.length; j++) {
            try {
                var elements = getElementsByClassName(classArray[j]);
            } catch (ex) { }
            if (elements != null) {
                for (i = 0; i < elements.length; i++)
                    decreaseFontSizeNew(elements[i]);
            }
        }
    }
   
}

function decreaseFontSizeNew(element)
{
    if(element.currentStyle.fontSize)
        var s = parseInt(element.currentStyle.fontSize.replace("px",""));
     
      if(s < maxFont)
            s -= 2;
        else
            return;
     
    
     element.style.fontSize = s + "px";
}

function decreaseFontSizeFF(element)
{
    if(window.getComputedStyle(element, null).fontSize )
        var s = parseInt(window.getComputedStyle(element, null).fontSize.replace("px",""));
   if(s < maxFont)
          s -= 2;
   else
        return;
   element.style.fontSize = s + "px";
}