var mmOpenContainer = null;
var mmOpenMenus = null;
var mmHideMenuTimer = null;
var isFireFox = (navigator.userAgent.indexOf("Firefox") > 0)

     	function checkPowerSearch()
	{
		if ((trim(document.SearchFrm.TxtEqptSearch.value)=="") || (trim(document.SearchFrm.TxtEqptSearch.value)=="search equipment"))
		{
			alert("Please enter Search Text");
			return false;
		}
		if (trim(document.SearchFrm.TxtEqptSearch.value).length<2) 
		{
			alert("Please enter atleast 2 characters to search");
			return false;
		}
		document.SearchFrm.submit();
	}
     	function checkSubscribe()
	{
		if (trim(document.SubscribeFrm.TxtEmail.value)=="")
		{
			alert("Please enter your Email Address");
			return false;
		}
		if (!validEmail(document.SubscribeFrm.TxtEmail.value))
		{
			alert("Please enter valid Email Address");
			return false;
		}
		document.SubscribeFrm.submit();
	}
	function validEmail(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
    return reg.test(email);
    }
    function trim(inputString) {
       // Removes leading and trailing spaces from the passed string. Also removes
       // consecutive spaces and replaces it with one space. If something besides
       // a string is passed in (null, custom object, etc.) then return the input.
       if (typeof inputString != "string") { return inputString; }
       var retValue = inputString;
       var ch = retValue.substring(0, 1);
       while (ch == " ") { // Check for spaces at the beginning of the string
          retValue = retValue.substring(1, retValue.length);
          ch = retValue.substring(0, 1);
       }
       ch = retValue.substring(retValue.length-1, retValue.length);
       while (ch == " ") { // Check for spaces at the end of the string
          retValue = retValue.substring(0, retValue.length-1);
          ch = retValue.substring(retValue.length-1, retValue.length);
       }
       while (retValue.indexOf("  ") != -1) { // Note that there are two spaces in the string - look for multiple spaces within the string
          retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); // Again, there are two spaces in each of the strings
       }
       return retValue; // Return the trimmed string back to the user
    } // Ends the "trim" function

function MM_menuStartTimeout(hideTimeout) {
	mmHideMenuTimer = setTimeout("MM_menuHideMenus()", hideTimeout);	
}

function MM_menuHideMenus() {
	MM_menuResetTimeout();
	if(mmOpenContainer) {
		var c = document.getElementById(mmOpenContainer);
		c.style.visibility = "inherit";
		mmOpenContainer = null;
	}
	if( mmOpenMenus ) {
		for(var i = 0; i < mmOpenMenus.length ; i++) {
			var m = document.getElementById(mmOpenMenus[i]);
			m.style.visibility = "hidden";			
		}
		mmOpenMenus = null;
	}
}

function MM_menuHideSubmenus(menuName) {
	if( mmOpenMenus ) {
		var h = false;
		var c = 0;
		for(var i = 0; i < mmOpenMenus.length ; i++) {
			if( h ) {
				var m = document.getElementById(mmOpenMenus[i]);
				m.style.visibility = "hidden";
			} else if( mmOpenMenus[i] == menuName ) {
				h = true;
			} else {
				c++;
			}
		}
		mmOpenMenus.length = c+1;
	}
}

function MM_menuOverMenuItem(menuName, subMenuSuffix) {
 if ((document.getElementById("banner1")) && (!isFireFox))
 {
    document.getElementById("banner1").style.zIndex = -1;
    document.getElementById("banner2").style.zIndex = -1;
 }
	MM_menuResetTimeout();
	MM_menuHideSubmenus(menuName);
	if( subMenuSuffix ) {
		var subMenuName = "" + menuName + "_" + subMenuSuffix;
		MM_menuShowSubMenu(subMenuName);
	}
}

function MM_menuShowSubMenu(subMenuName) {
 if ((document.getElementById("banner1")) && (!isFireFox))
 {
    document.getElementById("banner1").style.zIndex = -1;
    document.getElementById("banner2").style.zIndex = -1;
  }
    MM_menuResetTimeout();
	var e = document.getElementById(subMenuName);
	e.style.visibility = "inherit";
	if( !mmOpenMenus ) {
		mmOpenMenus = new Array;
	}
	mmOpenMenus[mmOpenMenus.length] = "" + subMenuName;
}

function MM_menuResetTimeout() {
	if (mmHideMenuTimer) clearTimeout(mmHideMenuTimer);
	mmHideMenuTimer = null;
}

function MM_menuShowMenu(containName, menuName, xOffset, yOffset, triggerName) {
	MM_menuHideMenus();
	MM_menuResetTimeout();
	MM_menuShowMenuContainer(containName, xOffset, yOffset, triggerName);
	MM_menuShowSubMenu(menuName);
}

function MM_menuShowMenuContainer(containName, x, y, triggerName) {	
	var c = document.getElementById(containName);
	var s = c.style;
	s.visibility = "inherit";
	
	mmOpenContainer = "" + containName;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_changeProp(objName,x,theProp,theValue) { //v3.0
  var obj = MM_findObj(objName);
  if (obj && (theProp.indexOf("style.")==-1 || obj.style)) eval("obj."+theProp+"='"+theValue+"'");
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i>a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i>d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}