var VTAWin;
var imgChem = new Array(); 
        
imgChem[0] ="images/Chem8.gif";
var imgChem0= new Image;
imgChem0.src = imgChem[0];
        
imgChem[1] ="images/Chem1.gif";
var imgChem1= new Image;
imgChem1.src = imgChem[1];
        
imgChem[2] ="images/Chem2.gif";
var imgChem2= new Image;
imgChem2.src = imgChem[2];
        
imgChem[3] ="images/Chem3.gif";
var imgChem3= new Image;
imgChem3.src = imgChem[3];
        
imgChem[4] ="images/Chem4.gif";
var imgChem4= new Image;
imgChem4.src = imgChem[4];
        
imgChem[5] ="images/Chem5.gif";
var imgChem5= new Image;
imgChem5.src = imgChem[5];
        
imgChem[6] ="images/Chem6.gif";
var imgChem6= new Image;
imgChem6.src = imgChem[6];
        
imgChem[7] ="images/Chem7.gif";
var imgChem7= new Image;
imgChem7.src = imgChem[7];
        
var dtDate = new Date();
var l = imgChem.length;
var rnd_no1 = Math.floor(l*Math.random());


/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function newImage(arg) {
    if (document.images) {
        rslt = new Image();
        rslt.src = arg;
        return rslt;
    }
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function changeImages() {

    if (document.images ) {
        for (var i=0; i<changeImages.arguments.length; i+=2) {
            document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
        }
    }
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function OpenWindow(sWindow)
{         
    VTAWin = window.open( sWindow, 'VTAWin');
    VTAWin.focus();   
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

function SafeEmail( user, domain, ext, classname, displayname ){   
    var theAt = "&#64;"
    var address = user + theAt + domain + "." + ext;
    var display = displayname?displayname:address;
    document.write('<a href="' + 'mail' + 'to:' + address + '" class="' + classname + '">' + display + '</a>');
}