/*

This Javascript Source Code is Intellectual Property owned by FrostyLabs LLC. 
You may not do any of the following without prior written permission by FrostyLabs LLC, and not limited to:

duplicate or reuse the Service, Source Code, or any portion of it.
sell, resell, trade, or transfer ownership of the Service or any portion of it. 
take advantage of the Source Code for any profitable purposes.

This property of FrostyLabs LLC is protected through all appropriate laws.

If you have any questions please contact www.FrostyLabs.com

*/

function flip(imgName, img){
    try{
        if(document.images){

		    var o = eval("document." + imgName);
            if(o==null){
                    o = document.getElementById(imgName);
                    o.src = img.src;
            }else{

		            o.src = img.src;
            } // if/else
        } // if
    }catch(e){
        
    } // catch
} // me

function enlarge(fileName){

	window.open(fileName, "img", "fullscreen=no,toolbar=no,status=no,menubar=no,scrollbars=no,resizable=yes,directories=no,location=no,width=400,height=400")		
	

}

/*
    The Following functions (opacity, changeOpac, shiftOpacity, blendimage, currentOpac) 
    are open source from
   
    http://brainerror.net/scripts_js/blendtrans.php.
    
    please follow the link for the authors license agreement.    
*/

function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style; 
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
    //if an element is invisible, make it visible, else make it ivisible
    if(document.getElementById(id).style.opacity == 0) {
        opacity(id, 0, 100, millisec);
    } else {
        opacity(id, 100, 0, millisec);
    }
}

function blendimage(divid, imageid, imagefile, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
    
    //set the current image as background
    document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
    
    //make image transparent
    changeOpac(0, imageid);
    
    //make new image
    document.getElementById(imageid).src = imagefile;

    //fade in image
    for(i = 0; i <= 100; i++) {
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
        timer++;
    }
}

function currentOpac(id, opacEnd, millisec) {
    //standard opacity is 100
    var currentOpac = 100;
    
    //if the element has an opacity set, get it
    if(document.getElementById(id).style.opacity < 100) {
        currentOpac = document.getElementById(id).style.opacity * 100;
    }

    //call for the function that changes the opacity
    opacity(id, currentOpac, opacEnd, millisec)
}