var http=false;

function InitHttp() {
	if(window.XMLHttpRequest) {
		try {
			http = new XMLHttpRequest();
		} catch(e) {
			http = false;
		}
		// branch for IE/Windows ActiveX version
	} else if(window.ActiveXObject) {
		try {
			http = new ActiveXObject("Msxml2.XMLHTTP.5.0");
		} catch(e) {
			try {
				http = new ActiveXObject("Msxml2.XMLHTTP.4.0");
			} catch(e) {
				try {
					http = new ActiveXObject("Msxml2.XMLHTTP.3.0");
				} catch(e) {
					try {
						http = new ActiveXObject("Msxml2.XMLHTTP");
					} catch(e) {
						try {
							http = new ActiveXObject("Microsoft.XMLHTTP");
						} catch(e) {
							http = false;
						}
					}
				}
			}
		}
	}
}
function ViewVendorAbs(URN) {
	window.location="/new_vendor_contact_details.php?abs=true&URN="+escape(URN)+"&type="+8;
}


function ViewVendor(URN,isHome)
{
	if(isHome==1){
		window.location="new_vendor_home.php?URN="+escape(URN)+"&type="+8;
	}
	else{
		window.location="new_vendor_contact_details.php?URN="+escape(URN)+"&type="+8;
	}
}


function prefandcons(id)
{
	if ((http == null) || (!http))
	InitHttp();
     http.open('GET', 'VM_PrefNCons.php?ID='+id, true);
	 http.onreadystatechange = handleHttpResponse1;
     http.send(null);
}
function handleHttpResponse1()
{
	document.getElementById("basket").src="Basket_Form.php?flag=1";
}

function emptyBasket()
{
	if ((http == null) || (!http))
	InitHttp();
     http.open('GET', 'EmptyBasket.php', true);
	 http.onreadystatechange = handleHttpResponse2;
     http.send(null);
	 if(document.getElementById('menubasket')!=null){
		hideDiv('menubasket');
	}
}
function handleHttpResponse2()
{
	document.getElementById("basket").src="Basket_Form.php?empty=1";
}

/*************************************************************************
  This code is from Dynamic Web Coding at http://www.dyn-web.com/
  Copyright 2003 by Sharon Paine 
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!
*************************************************************************/

var menuLayers = {
  timer: null,
  activeMenuID: null,
  offX: 50,   // horizontal offset 
  offY: 150,   // vertical offset 
  show: function(id, e) {
    var mnu = document.getElementById? document.getElementById(id): null;
    if (!mnu) return;
    this.activeMenuID = id;
    //if ( mnu.onmouseout == null ) mnu.onmouseout = this.mouseoutCheck;
    //if ( mnu.onmouseover == null ) mnu.onmouseover = this.clearTimer;
    viewport.getAll();
    this.position(mnu,e);
  },
  
  hide: function() {
    this.clearTimer();
    if (this.activeMenuID && document.getElementById) 
      this.timer = setTimeout("document.getElementById('"+menuLayers.activeMenuID+"').style.display = 'none'", 200);
  },
  
  position: function(mnu, e) {
    var x = e.pageX? e.pageX: e.clientX + viewport.scrollX;
    var y = e.pageY? e.pageY: e.clientY + viewport.scrollY;
    
    if ( x + mnu.offsetWidth + this.offX > viewport.width + viewport.scrollX )
      x = x - mnu.offsetWidth - this.offX;
    else x = x + this.offX;
  
    if ( y + mnu.offsetHeight + this.offY > viewport.height + viewport.scrollY )
      y = ( y - mnu.offsetHeight - this.offY > viewport.scrollY )? y - mnu.offsetHeight - this.offY : viewport.height + viewport.scrollY - mnu.offsetHeight;
    else y = y + this.offY;
    
    mnu.style.left = x + "px"; mnu.style.top = y + "px";
    this.timer = setTimeout("document.getElementById('" + menuLayers.activeMenuID + "').style.display = 'block'", 200);
  },
  
  mouseoutCheck: function(e) {
    e = e? e: window.event;
    // is element moused into contained by menu? or is it menu (ul or li or a to menu div)?
    var mnu = document.getElementById(menuLayers.activeMenuID);
    var toEl = e.relatedTarget? e.relatedTarget: e.toElement;
    if ( mnu != toEl && !menuLayers.contained(toEl, mnu) ) menuLayers.hide();
  },
  
  // returns true of oNode is contained by oCont (container)
  contained: function(oNode, oCont) {
    if (!oNode) return; // in case alt-tab away while hovering (prevent error)
    while ( oNode = oNode.parentNode ) 
      if ( oNode == oCont ) return true;
    return false;
  },

  clearTimer: function() {
    if (menuLayers.timer) clearTimeout(menuLayers.timer);
  }
  
}


/***************************

	>> show and hide div blocks
	
***************************/

function showDiv(divId) {
	document.getElementById(divId).style.display = "block";
}

function hideDiv(divId) {
	document.getElementById(divId).style.display = "none";
}

/*************************************************************************

  dw_viewport.js
  version date Nov 2003
  
  This code is from Dynamic Web Coding 
  at http://www.dyn-web.com/
  Copyright 2003 by Sharon Paine 
  See Terms of Use at http://www.dyn-web.com/bus/terms.html
  regarding conditions under which you may use this code.
  This notice must be retained in the code as is!

*************************************************************************/  
  
var viewport = {
  getWinWidth: function () {
    this.width = 0;
    if (window.innerWidth) this.width = window.innerWidth - 18;
    else if (document.documentElement && document.documentElement.clientWidth) 
  		this.width = document.documentElement.clientWidth;
    else if (document.body && document.body.clientWidth) 
  		this.width = document.body.clientWidth;
  },
  
  getWinHeight: function () {
    this.height = 0;
    if (window.innerHeight) this.height = window.innerHeight - 18;
  	else if (document.documentElement && document.documentElement.clientHeight) 
  		this.height = document.documentElement.clientHeight;
  	else if (document.body && document.body.clientHeight) 
  		this.height = document.body.clientHeight;
  },
  
  getScrollX: function () {
    this.scrollX = 0;
  	if (typeof window.pageXOffset == "number") this.scrollX = window.pageXOffset;
  	else if (document.documentElement && document.documentElement.scrollLeft)
  		this.scrollX = document.documentElement.scrollLeft;
  	else if (document.body && document.body.scrollLeft) 
  		this.scrollX = document.body.scrollLeft; 
  	else if (window.scrollX) this.scrollX = window.scrollX;
  },
  
  getScrollY: function () {
    this.scrollY = 0;    
    if (typeof window.pageYOffset == "number") this.scrollY = window.pageYOffset;
    else if (document.documentElement && document.documentElement.scrollTop)
  		this.scrollY = document.documentElement.scrollTop;
  	else if (document.body && document.body.scrollTop) 
  		this.scrollY = document.body.scrollTop; 
  	else if (window.scrollY) this.scrollY = window.scrollY;
  },
  
  getAll: function () {
    this.getWinWidth(); this.getWinHeight();
    this.getScrollX();  this.getScrollY();
  }
  
}