if (document.images)
{
	var specs0 = new Image();
	specs0.src = "images/btn_specs.gif";
	var specs1 = new Image();
	specs1.src = "images/btn_specs_on.gif";
	
	var brochure0 = new Image();
	brochure0.src = "images/btn_brochure.gif";
	var brochure1 = new Image();
	brochure1.src = "images/btn_brochure_on.gif";
	
	var specifications0 = new Image();
	specifications0.src = "images/btn_specifications.gif";
	var specifications1 = new Image();
	specifications1.src = "images/btn_specifications_on.gif";
	
	var requirements0 = new Image();
	requirements0.src = "images/btn_requirements.gif";
	var requirements1 = new Image();
	requirements1.src = "images/btn_requirements_on.gif";
	
	var vision_dx0 = new Image();
	vision_dx0.src = "images/btn_vision_dx.gif";
	var vision_dx1 = new Image();
	vision_dx1.src = "images/btn_vision_dx_on.gif";
	
	var vision_dc0 = new Image();
	vision_dc0.src = "images/btn_vetvision_dc.gif";
	var vision_dc1 = new Image();
	vision_dc1.src = "images/btn_vetvision_dc_on.gif";
	
	var vision_ac0 = new Image();
	vision_ac0.src = "images/btn_vetvision_ac.gif";
	var vision_ac1 = new Image();
	vision_ac1.src = "images/btn_vetvision_ac_on.gif";
	
	var vdx_vet0 = new Image();
	vdx_vet0.src = "images/btn_vdx_vet.gif";
	var vdx_vet1 = new Image();
	vdx_vet1.src = "images/btn_vdx_vet_on.gif";
	
	var vetvision_complete0 = new Image();
	vetvision_complete0.src = "images/btn_vetvision_complete.gif";
	var vetvision_complete1 = new Image();
	vetvision_complete1.src = "images/btn_vetvision_complete_on.gif";
	
	var vetvision_mobile0 = new Image();
	vetvision_mobile0.src = "images/btn_vetvision_mobile.gif";
	var vetvision_mobile1 = new Image();
	vetvision_mobile1.src = "images/btn_vetvision_mobile_on.gif";
	
}


function rollOut(imgName) 
{
    if (document.images) 
    {
        document[imgName].src = eval(imgName+"0.src");
    }
}

function rollIn(imgName)
{
    if (document.images)
    {
        document[imgName].src = eval(imgName+"1.src");
    }
}

function returnElement(sContent)
{
	var objLocation;
	var sElement;
	
	if(document.getElementById)
	{
		sElement = "document.getElementById('" + sContent + "')";
	}
	else if(document.all)
	{
		sElement = "document.all['" + sContent + "']";
	}
	
	objLocation = eval(sElement);
	return objLocation;
}


// Displays the submenu 
function displaySubnav(sSubnav)
{
	var sSubnavName = sSubnav + "Menu";
	var objLocation = returnElement(sSubnavName);	
	if (objLocation)
	{
		objLocation.style.visibility = 'visible';
	}
}

// Hides the submenu
function hideSubnav(sSubnav)
{
	var sNav = returnElement(sSubnav+"Menu");
	if (sNav)
	{
		sNav.style.visibility = 'hidden';
	}	
}

function hideElement(sElement){
	var sContent = returnElement(sElement);
	if (sContent)
	{
		sContent.style.visibility = 'hidden';
	}	
}

function showElement(sElement){
	var sContent = returnElement(sElement);
	if (sContent)
	{
		sContent.style.visibility = 'visible';
	}	
}

function loadSubnav(sHexBGColor, sHexOverColor, sHexFontColor, sHexFontOverColor, sHexLineColor, sThisSection)
{
	if((document.all) || (document.getElementById))
	{
		var this_arrSubnav = new Array();
		this_arrSubnav = arrSubnav;
		var sSubnav = "";
		
		for (j = 0; j < this_arrSubnav.length; j++)
		{			
			var sCurrent = this_arrSubnav[j][0];
			var arrCurrent = this_arrSubnav[j];
			var bInArray = false;
			
			for (var k = 0; k < arrCurrent.length; k++)
			{
				if (sThisSection == arrCurrent[k])
				{
					bInArray = true;
				}			
			}
			
			if (bInArray)
			{
				sSubnav += "<div id=\"" + sCurrent + "Menu\" style=\"z-index:999;position: absolute; left: " + this_arrSubnav[j][1] + "; width: " + this_arrSubnav[j][2] + ";  visibility: hidden\" onmouseover=\"displaySubnav('" + sCurrent + "');\" onmouseout=\"hideSubnav('" + sCurrent + "', false);\">";
			}
			else
			{
				sSubnav += "<div id=\"" + sCurrent + "Menu\" style=\"z-index:999;position: absolute; left: " + this_arrSubnav[j][1] + "; width: " + this_arrSubnav[j][2] + ";  visibility: hidden\" onmouseover=\"displaySubnav('" + sCurrent + "');\" onmouseout=\"hideSubnav('" + sCurrent + "', true);\">";
			}
			
			
			sSubnav += "<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"" + this_arrSubnav[j][2] + "\">";
			
			for (i=3; i < this_arrSubnav[j].length-1; i=i+2)
			{
				sSubnav += "<tr>";
				sSubnav += "<td width=\"1\" bgcolor=\"" + sHexLineColor + "\"><img src=\"images\imgSpacer.gif\" width=\"1\" height=\"20\"></td>";
				sSubnav += "<td bgcolor=\"" + sHexBGColor + "\" class=\"subNav\" onClick=\"document.location.href='" + this_arrSubnav[j][i+1] + "'\" onmouseover=\"this.bgColor='" + sHexOverColor + "';this.style.color='" + sHexFontOverColor+ "';\" onmouseout=\"this.bgColor='" + sHexBGColor + "';this.style.color='" + sHexFontColor + "'\" style=\"color: " + sHexFontColor + "\"><div style=\"padding-left:9px;\">" + this_arrSubnav[j][i] + "</a></div></td>";
				sSubnav += "<td width=\"1\" bgcolor=\"" + sHexLineColor + "\"><img src=\"images\imgSpacer.gif\" width=\"1\" height=\"20\"></td>";
				sSubnav += "</tr>";
				sSubnav += "<tr>";
				sSubnav += "<td colspan=\"3\" bgcolor=\"" + sHexLineColor + "\" height=\"1\"><img src=\"images\imgSpacer.gif\" width=\"1\" height=\"1\"></td>";
				sSubnav += "</tr>";
			}
			
			sSubnav += "</table>";
			sSubnav += "</div>";
		}
		document.write(sSubnav);
	}
}

var arrSubnav = new Array();

arrSubnav[0] = new Array("products",
18, // pixels from left
180,	// width of menu
"VetVision DC",
"vetvisiondc.php",
"VetVision AC",
"vetvisionac.php",
"VDX-VET",
"vdx-vet.php",
"VetVision Mobile",
"vetvision_mobile.php",
"VetVision Complete",
"vetvision_complete.php"
);

arrSubnav[1] = new Array("customer_care",
152, // pixels from left
180,	// width of menu
"Customer Service",
"customer_service.php",
"Dental Education",
"dental_education.php",
"Technical Services",
"tech_support.php",
"Downloads",
"downloads.php",
"Software Updates",
"software_updates.php"
);

arrSubnav[2] = new Array("about_progeny",
297, // pixels from left
180,	// width of menu
"History",
"progeny_history.php",
"News",
"news.php"
);

function openSpec(sName){
	var specWindow = window.open(sName+'Spec.php','specWindow','scrollbars=yes,toolbar=yes,manubar=yes,status=no,width=790,height=526,top=0,left=0,screenX=0,screenY=0');
	specWindow.focus();
}

function openSpecSelect(sForm, sField){
	var sThisForm = document.forms[sForm];
	var sThisField = sThisForm[sField];
	var sName = sThisField.options[sThisField.selectedIndex].value;
	
	var specWindow = window.open(sName+'Spec.php','specWindow','scrollbars=yes,toolbar=yes,manubar=yes,status=no,width=790,height=526,top=0,left=0,screenX=0,screenY=0');
	specWindow.focus();
}

function openPhoto(photoname)
{
	var photoWindow = window.open('photoViewer.php?photo=' + photoname,'photoWindow','scrollbars=no,status=no,width=700,height=504,top=0,left=0,screenX=0,screenY=0');
  photoWindow.focus();
}

function downloadPDF(sForm, sField)
{
	var sThisForm = document.forms[sForm];
	var sThisField = sThisForm[sField];
	
	var sNewWindow = window.open(sThisField.options[sThisField.selectedIndex].value, 'PDFWindow');
}