/*
	NEW TECHTREE SLIDE SHOW JS CODE
	DEVELOPED BY D.V.SARADHI 
	FOR IT NATION MEDIA PVT LTD.

*/
	var agt=navigator.userAgent.toLowerCase();
	var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
	var is_opera = (agt.indexOf("opera") != -1);
	var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));

	var is_major = parseInt(navigator.appVersion);
 	var is_minor = parseFloat(navigator.appVersion);

  	var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );  

	var is_ie7    = (is_ie && (is_major == 4) && (agt.indexOf("msie 7.")!=-1) );
	
    	var i=0.5;
	var sldimg;
	var sldtxt;
	
	function isMozilla(){
		return is_nav;
	}
	function showSlide(page,id,btnObj){

		resetButtons(btnObj);

		var firstBtn = document.getElementById("b1"+id);
		var btnWrapDiv = document.getElementById("btnWrapDiv");
		i=0;
		sldimg = document.getElementById("sldimagecontent"+id);
		sldtxt = document.getElementById("sldtextcontent"+id);
				
		if(sldimg){		
			var int=self.setInterval("setOpacity("+page+")",100);
			sldimg.innerHTML=document.getElementById("image"+page).innerHTML;
		}

		if(sldtxt){
			var int=self.setInterval("setOpacity("+page+")",100);
			sldtxt.innerHTML=document.getElementById("txt"+page).innerHTML;
		}
		
		if(btnObj && is_ie && btnObj.id!=firstBtn){
			if(btnObj.id!=firstBtn){
				firstBtn.setAttribute('className','');
			}
			btnObj.setAttribute('className','active');
		}else if(btnObj){
			if(btnObj.id!=firstBtn){
				firstBtn.setAttribute('class','');
			}
			btnObj.setAttribute('class','active');
		}		
	}
	function resetButtons(btnObj){
		
		for(i=0;i<document.getElementsByTagName("a").length;i++){
			if(document.getElementsByTagName("a")[i].id!=btnObj.id && document.getElementsByTagName("a")[i].id.substring(0,1)=="b"){

				if(btnObj && is_ie){
					document.getElementsByTagName("a")[i].setAttribute('className','');
				}else{
					document.getElementsByTagName("a")[i].setAttribute('class','');
				}
			}
		}
	}
	function setOpacity(page){

		

		if(page!=1){

			i=i+0.01;
			sldimg.style.opacity=i;	
			sldimg.style.filter = "alpha(Opacity =" + i*100 + ")"; 
			//sldtxt.style.opacity=i;	
			//sldtxt.style.filter = "alpha(Opacity =" + i*100 + ")"; 
		}
	}

	for(i=4000,j=1;i<196000;i+=8000,j++){
	
		setTimeout("showSlide("+eval(j%5+1)+",1,document.getElementById('b"+eval(j%5+1)+"1'))",i);
	}