//Drop Down Tabs Menu- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Created: May 16th, 07'
if (window.parent.top.location.href != "http://www.dysis.co.za/")
{
    window.parent.location.href != "http://www.dysis.co.za/";
}
function pageResize()
{
var browserName=navigator.appName; 
        var browserVer=parseInt(navigator.appVersion); 
        var frame1 = document.getElementById("Mainiframe");
        var viewportwidth;
        var viewportheight;
                  
         if (typeof window.innerWidth != 'undefined')
         {
              viewportwidth = window.innerWidth,
              viewportheight = window.innerHeight
         }
         
         else if (typeof document.documentElement != 'undefined'
             && typeof document.documentElement.clientWidth !=
             'undefined' && document.documentElement.clientWidth != 0)
         {
               viewportwidth = document.documentElement.clientWidth,
               viewportheight = document.documentElement.clientHeight
         }
         else
         {
               viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
               viewportheight = document.getElementsByTagName('body')[0].clientHeight
         }
         
        if (browserName == 'Opera')
        {
           viewportwidth = window.innerWidth,
           viewportheight = window.innerHeight
           frame1.style.height = (viewportheight - 225) + 'px'; 
        }
        else if (browserName == "Netscape")
        {
            frame1.style.height =  viewportheight - 220 + 'px';
        }
        else
        {
            frame1.style.height = (viewportheight - 210) + 'px'; 
        }
}    
    
     function Loadiframe(url, title)
     {
     try
     {
         var image = document.getElementById("ImagePageName");
         
         var mainlogo = document.getElementById("mainlogo");
         var sidebar = document.getElementById("sideBar");
         var mainiframe = document.getElementById("Mainiframe");
         
         if (title == 'DYSIS')
         {
            image.src = "Images/plants.jpg";
            document.title = "DYSIS: Home";
         }
         
         if (title == 'ContactUs')
         {
            image.src = "Images/contactUs.jpg";
            document.title = "DYSIS: Contact Us";
         }
         
         if (title == 'Terms')
         {
            image.src = "Images/Terms.jpg";
            document.title = "DYSIS: Terms And Conditions";
         }
         
         if (title == 'Privacy')
         {
            image.src = "Images/Privacy.jpg";
            document.title = "DYSIS: Privacy Policy";
         }
         
         if (title == 'Services')
         {
            image.src = "Images/Services.jpg";
            document.title = "DYSIS: Services";
         }
         
         if (title == 'Projects')
         {
         
            image.src = "Images/Projects.jpg";
            document.title = "DYSIS: Projects";
         }
         
         if (title == 'Users')
         {
            image.src = "Images/Products.jpg";
            document.title = "DYSIS: Products";
         }
         
         if (title == 'Products')
         {
            image.src = "Images/Products.jpg";
            document.title = "DYSIS: Products";
         }
         
         if (title == 'AboutDysis')
         {
            image.src = "Images/AboutDysis.jpg";
            document.title = "DYSIS: About Dysis";
         }
         
         if (title == 'Skills')
         {
            image.src = "Images/Skills.jpg";
            document.title = "DYSIS: Skills";
         }
         
          if (title == 'Clients')
         {
            image.src = "Images/Clients.jpg";
            document.title = "DYSIS: Clients";
         }
         }
         catch (r) {}
         
         if (document.location.href.indexOf('Portal.aspx') > 1)
         {
              if (url.toString().indexOf('Webpages') == 0 || url.toString().indexOf('home') == 0)
              {
              window.location.href = '../index.aspx';
              }
              else
              {
              document.getElementById("Mainiframe").src = url;
              }
         }
         else
         {
              document.getElementById("Mainiframe").src = url;
         }

        
     }
     
var tabdropdown={
	disappeardelay: 400, //set delay in miliseconds before menu disappears onmouseout
	disablemenuclick: false, //when user clicks on a menu item with a drop down menu, disable menu item's link?
	enableiframeshim: 1, //1 or 0, for true or false

	//No need to edit beyond here////////////////////////
	dropmenuobj: null, ie: document.all, firefox: document.getElementById&&!document.all, previousmenuitem:null,
	currentpageurl: window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, ""), //get current page url (minus hostname, ie: http://www.dynamicdrive.com/)

	getposOffset:function(what, offsettype){
		var totaloffset=(offsettype=="left")? what.offsetLeft : what.offsetTop;
		var parentEl=what.offsetParent;
			while (parentEl!=null){
				totaloffset=(offsettype=="left")? totaloffset+parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
				parentEl=parentEl.offsetParent;
			}
		return totaloffset;
	},

	showhide:function(obj, e, obj2){ //obj refers to drop down menu, obj2 refers to tab menu item mouse is currently over
		if (this.ie || this.firefox)
			this.dropmenuobj.style.left=this.dropmenuobj.style.top="-500px"
		if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover"){
			if (obj2.parentNode.className.indexOf("default")==-1) //if tab isn't a default selected one
				obj2.parentNode.className="selected"
			obj.visibility="visible"
			}
		else if (e.type=="click")
			obj.visibility="hidden"
	},

	iecompattest:function(){
		return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
	},

	clearbrowseredge:function(obj, whichedge){
		var edgeoffset=0
		if (whichedge=="rightedge"){
			var windowedge=this.ie && !window.opera? this.standardbody.scrollLeft+this.standardbody.clientWidth-15 : window.pageXOffset+window.innerWidth-15
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetWidth
		if (windowedge-this.dropmenuobj.x < this.dropmenuobj.contentmeasure)  //move menu to the left?
			edgeoffset=this.dropmenuobj.contentmeasure-obj.offsetWidth
		}
		else{
			var topedge=this.ie && !window.opera? this.standardbody.scrollTop : window.pageYOffset
			var windowedge=this.ie && !window.opera? this.standardbody.scrollTop+this.standardbody.clientHeight-15 : window.pageYOffset+window.innerHeight-18
			this.dropmenuobj.contentmeasure=this.dropmenuobj.offsetHeight
			if (windowedge-this.dropmenuobj.y < this.dropmenuobj.contentmeasure){ //move up?
				edgeoffset=this.dropmenuobj.contentmeasure+obj.offsetHeight
				if ((this.dropmenuobj.y-topedge)<this.dropmenuobj.contentmeasure) //up no good either?
					edgeoffset=this.dropmenuobj.y+obj.offsetHeight-topedge
			}
			this.dropmenuobj.firstlink.style.borderTopWidth=(edgeoffset==0)? 0 : "1px" //Add 1px top border to menu if dropping up
		}
		return edgeoffset
	},

	dropit:function(obj, e, dropmenuID){
		if (this.dropmenuobj!=null){ //hide previous menu
			this.dropmenuobj.style.visibility="hidden" //hide menu
			if (this.previousmenuitem!=null && this.previousmenuitem!=obj){
				if (this.previousmenuitem.parentNode.className.indexOf("default")==-1) //if the tab isn't a default selected one
					this.previousmenuitem.parentNode.className=""
			}
		}
		this.clearhidemenu()
		if (this.ie||this.firefox){
			obj.onmouseout=function(){tabdropdown.delayhidemenu(obj)}
			obj.onclick=function(){return !tabdropdown.disablemenuclick} //disable main menu item link onclick?
			this.dropmenuobj=document.getElementById(dropmenuID)
			this.dropmenuobj.onmouseover=function(){tabdropdown.clearhidemenu()}
			this.dropmenuobj.onmouseout=function(e){tabdropdown.dynamichide(e, obj)}
			this.dropmenuobj.onclick=function(){tabdropdown.delayhidemenu(obj)}
			this.showhide(this.dropmenuobj.style, e, obj)
			this.dropmenuobj.x=this.getposOffset(obj, "left")
			this.dropmenuobj.y=this.getposOffset(obj, "top")
			this.dropmenuobj.style.left=this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge")+"px"
			this.dropmenuobj.style.top=this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge")+obj.offsetHeight+1+"px"
			this.previousmenuitem=obj //remember main menu item mouse moved out from (and into current menu item)
			this.positionshim() //call iframe shim function
		}
	},

	contains_firefox:function(a, b) {
		while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
		return false;
	},

	dynamichide:function(e, obj2){ //obj2 refers to tab menu item mouse is currently over
		var evtobj=window.event? window.event : e
		if (this.ie&&!this.dropmenuobj.contains(evtobj.toElement))
			this.delayhidemenu(obj2)
		else if (this.firefox&&e.currentTarget!= evtobj.relatedTarget&& !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
			this.delayhidemenu(obj2)
	},

	delayhidemenu:function(obj2){
		this.delayhide=setTimeout(function(){tabdropdown.dropmenuobj.style.visibility='hidden'; if (obj2.parentNode.className.indexOf('default')==-1) obj2.parentNode.className=''},this.disappeardelay) //hide menu
	},

	clearhidemenu:function(){
		if (this.delayhide!="undefined")
			clearTimeout(this.delayhide)
	},

	positionshim:function(){ //display iframe shim function
		if (this.enableiframeshim && typeof this.shimobject!="undefined"){
			if (this.dropmenuobj.style.visibility=="visible"){
				this.shimobject.style.width=this.dropmenuobj.offsetWidth+"px"
				this.shimobject.style.height=this.dropmenuobj.offsetHeight+"px"
				this.shimobject.style.left=this.dropmenuobj.style.left
				this.shimobject.style.top=this.dropmenuobj.style.top
			}
		this.shimobject.style.display=(this.dropmenuobj.style.visibility=="visible")? "block" : "none"
		}
	},

	hideshim:function(){
		if (this.enableiframeshim && typeof this.shimobject!="undefined")
			this.shimobject.style.display='none'
	},

isSelected:function(menuurl){
	var menuurl=menuurl.replace("http://"+menuurl.hostname, "").replace(/^\//, "")
	return (tabdropdown.currentpageurl==menuurl)
},

	init:function(menuid, dselected){
		this.standardbody=(document.compatMode=="CSS1Compat")? document.documentElement : document.body //create reference to common "body" across doctypes
		var menuitems=document.getElementById(menuid).getElementsByTagName("a")
		for (var i=0; i<menuitems.length; i++){
			if (menuitems[i].getAttribute("rel")){
				var relvalue=menuitems[i].getAttribute("rel")
				document.getElementById(relvalue).firstlink=document.getElementById(relvalue).getElementsByTagName("a")[0]
				menuitems[i].onmouseover=function(e){
					var event=typeof e!="undefined"? e : window.event
					tabdropdown.dropit(this, event, this.getAttribute("rel"))
				}
			}
			if (dselected=="auto" && typeof setalready=="undefined" && this.isSelected(menuitems[i].href)){
				menuitems[i].parentNode.className+=" selected default"
				var setalready=true
			}
			else if (parseInt(dselected)==i)
				menuitems[i].parentNode.className+=" selected default"
		}
	}

}

function setIFrameHeight(){
    var mainiframe = document.getElementById("Mainiframe");
    var screenW = 640, screenH = 480;
    var framescrollheight = 0;
     if (parseInt(navigator.appVersion)>3) {
     screenW = screen.width;
     screenH = screen.height;
     }
     else if (navigator.appName == "Netscape" 
         && parseInt(navigator.appVersion)==3
         && navigator.javaEnabled()
        ) 
     {
      var jToolkit = java.awt.Toolkit.getDefaultToolkit();
      var jScreenSize = jToolkit.getScreenSize();
      screenW = jScreenSize.width;
      screenH = jScreenSize.height;
     }
     mainiframe.height = (screenH - 275) + 'px';
}