var sCurrentPage;

function RemoveHash(sHashString) {
    return sHashString.substring(1,sHashString.length);
}

function TogglePageNav(sPage, sState) {
    // Never turn the current page nav off
    if ((sPage != sCurrentPage) || (sState == "on")) {
        $('#' + sPage).attr('src','/Images/' + sPage + '_' + sState + '.gif');
    }
}

function ToggleTab(sTab, sState) {
    $('#' + sTab).attr('src','/Images/Inner/' + sTab + '_' + sState + '.gif');
}

function GetScrollY() {
  var nScrollY = 0;
  if( typeof( window.pageYOffset ) == "number" ) {
    //Firefox compliant
    nScrollY = window.pageYOffset;
  } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) {
    //DOM compliant
    nScrollY = document.body.scrollTop;
  } else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) {
    //IE standards compliant mode
    nScrollY = document.documentElement.scrollTop;
  }
  return nScrollY;
}

function ValidateChecked(sender, e) {
    var oSender = getObject(sender.id.replace("cv_",""));
    
    if (oSender.checked) e.IsValid = true;
    else e.IsValid = false;
}

function ClearText(txtField){
    if (txtField.defaultValue==txtField.value) {
        txtField.value = "";
        txtField.style.color = txtField.style.color;
        txtField.style.fontStyle = "normal";
    }
}

function FillText(txtField){
    if (txtField.value=="") {
        txtField.value = txtField.defaultValue;
        txtField.style.color = txtField.style.color;
        txtField.style.fontStyle = "normal";
    }
}

function ResetText(txtField, value){
    txtField.value = value;
}

function ResetDropDown(ddl){
    ddl.selectedIndex = 0;
}

function HighlightSelectText(ddlstField){
    ddlstField.style.color = txtField.style.color;
    ddlstField.style.fontStyle = "normal";
}

function getObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		return document.getElementById(objectId);
    } else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		return document.all(objectId);
    } else {
		return false;
    }
} // getObject

function getStyleObject(objectId) {
    // cross-browser function to get an object's style object given its id
    if(document.getElementById && document.getElementById(objectId)) {
		// W3C DOM
		return document.getElementById(objectId).style;
    } else if (document.all && document.all(objectId)) {
		// MSIE 4 DOM
		return document.all(objectId).style;
    } else if (document.layers && document.layers[objectId]) {
		// NN 4 DOM.. note: this won't find nested layers
		return document.layers[objectId];
    } else {
		return false;
    }
} // getStyleObject

function changeObjectVisibility(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
        styleObject.visibility = newVisibility;
        return true;
    } else {
		//we couldn't find the object, so we can't change its visibility
		return false;
    }
} // changeObjectVisibility

function changeObjectDisplay(objectId, newVisibility) {
    // get a reference to the cross-browser style object and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
        styleObject.display = newVisibility;
        return true;
    } else {
		//we couldn't find the object, so we can't change its visibility
		return false;
    }
} // changeObjectVisibility


function ShowPopup(pageName, scrollbars, width, height)
{
   mywindow = window.open (pageName, "mywindow","location=1,status=1,scrollbars="+scrollbars+",width="+width+",height="+height);
}

function DoRollOver(id, hovername)
{
    var div = document.getElementById(id);
    if(div.className.indexOf('Selected') == -1){
        div.className = hovername;
    }
}

function DoRollOut(id, className)
{
    var div = document.getElementById(id);
    if(div.className.indexOf('Selected') == -1){
        div.className = className;
    }
}

function ToggleSortClass(id){
    var div = document.getElementById(id);
    if(div.className.indexOf('ASC') == -1){
        div.className = "sortLinkASC";
    }
    else if(div.className.indexOf('DESC') == -1){
        div.className = "sortLinkDESC";
    }
}

function PrintPage(){
    window.print();
}


function gup( name )
{
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  var regexS = "[\\?&]"+name+"=([^&#]*)";
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

function DoBackButton(){
    history.go(-1);
    return false;
}

function Redirect(url){
    window.location = url;
}



//IE PNG FIX
// IE5.5+ PNG Alpha Fix v2.0 Alpha: Background Tiling Support
// (c) 2008-2009 Angus Turnbull http://www.twinhelix.com

// This is licensed under the GNU LGPL, version 2.1 or later.
// For details, see: http://creativecommons.org/licenses/LGPL/2.1/

var IEPNGFix = window.IEPNGFix || {};

IEPNGFix.tileBG = function(elm, pngSrc, ready) {
	// Params: A reference to a DOM element, the PNG src file pathname, and a
	// hidden "ready-to-run" passed when called back after image preloading.

	var data = this.data[elm.uniqueID],
		elmW = Math.max(elm.clientWidth, elm.scrollWidth),
		elmH = Math.max(elm.clientHeight, elm.scrollHeight),
		bgX = elm.currentStyle.backgroundPositionX,
		bgY = elm.currentStyle.backgroundPositionY,
		bgR = elm.currentStyle.backgroundRepeat;

	// Cache of DIVs created per element, and image preloader/data.
	if (!data.tiles) {
		data.tiles = {
			elm: elm,
			src: '',
			cache: [],
			img: new Image(),
			old: {}
		};
	}
	var tiles = data.tiles,
		pngW = tiles.img.width,
		pngH = tiles.img.height;

	if (pngSrc) {
		if (!ready && pngSrc != tiles.src) {
			// New image? Preload it with a callback to detect dimensions.
			tiles.img.onload = function() {
				this.onload = null;
				IEPNGFix.tileBG(elm, pngSrc, 1);
			};
			return tiles.img.src = pngSrc;
		}
	} else {
		// No image?
		if (tiles.src) ready = 1;
		pngW = pngH = 0;
	}
	tiles.src = pngSrc;

	if (!ready && elmW == tiles.old.w && elmH == tiles.old.h &&
		bgX == tiles.old.x && bgY == tiles.old.y && bgR == tiles.old.r) {
		return;
	}

	// Convert English and percentage positions to pixels.
	var pos = {
			top: '0%',
			left: '0%',
			center: '50%',
			bottom: '100%',
			right: '100%'
		},
		x,
		y,
		pc;
	x = pos[bgX] || bgX;
	y = pos[bgY] || bgY;
	if (pc = x.match(/(\d+)%/)) {
		x = Math.round((elmW - pngW) * (parseInt(pc[1]) / 100));
	}
	if (pc = y.match(/(\d+)%/)) {
		y = Math.round((elmH - pngH) * (parseInt(pc[1]) / 100));
	}
	x = parseInt(x);
	y = parseInt(y);

	// Handle backgroundRepeat.
	var repeatX = { 'repeat': 1, 'repeat-x': 1 }[bgR],
		repeatY = { 'repeat': 1, 'repeat-y': 1 }[bgR];
	if (repeatX) {
		x %= pngW;
		if (x > 0) x -= pngW;
	}
	if (repeatY) {
		y %= pngH;
		if (y > 0) y -= pngH;
	}

	// Go!
	this.hook.enabled = 0;
	if (!({ relative: 1, absolute: 1 }[elm.currentStyle.position])) {
		elm.style.position = 'relative';
	}
	var count = 0,
		xPos,
		maxX = repeatX ? elmW : x + 0.1,
		yPos,
		maxY = repeatY ? elmH : y + 0.1,
		d,
		s,
		isNew;
	if (pngW && pngH) {
		for (xPos = x; xPos < maxX; xPos += pngW) {
			for (yPos = y; yPos < maxY; yPos += pngH) {
				isNew = 0;
				if (!tiles.cache[count]) {
					tiles.cache[count] = document.createElement('div');
					isNew = 1;
				}
				var clipR = Math.max(0, xPos + pngW > elmW ? elmW - xPos : pngW),
					clipB = Math.max(0, yPos + pngH > elmH ? elmH - yPos : pngH);
				d = tiles.cache[count];
				s = d.style;
				s.behavior = 'none';
				s.left = (xPos - parseInt(elm.currentStyle.paddingLeft)) + 'px';
				s.top = yPos + 'px';
				s.width = clipR + 'px';
				s.height = clipB + 'px';
				s.clip = 'rect(' +
					(yPos < 0 ? 0 - yPos : 0) + 'px,' +
					clipR + 'px,' +
					clipB + 'px,' +
					(xPos < 0 ? 0 - xPos : 0) + 'px)';
				s.display = 'block';
				if (isNew) {
					s.position = 'absolute';
					s.zIndex = -999;
					if (elm.firstChild) {
						elm.insertBefore(d, elm.firstChild);
					} else {
						elm.appendChild(d);
					}
				}
				this.fix(d, pngSrc, 0);
				count++;
			}
		}
	}
	while (count < tiles.cache.length) {
		this.fix(tiles.cache[count], '', 0);
		tiles.cache[count++].style.display = 'none';
	}

	this.hook.enabled = 1;

	// Cache so updates are infrequent.
	tiles.old = {
		w: elmW,
		h: elmH,
		x: bgX,
		y: bgY,
		r: bgR
	};
};


IEPNGFix.update = function() {
	// Update all PNG backgrounds.
	for (var i in IEPNGFix.data) {
		var t = IEPNGFix.data[i].tiles;
		if (t && t.elm && t.src) {
			IEPNGFix.tileBG(t.elm, t.src);
		}
	}
};
IEPNGFix.update.timer = 0;

if (window.attachEvent && !window.opera) {
	window.attachEvent('onresize', function() {
		clearTimeout(IEPNGFix.update.timer);
		IEPNGFix.update.timer = setTimeout(IEPNGFix.update, 100);
	});
}