function validateSignupFrm(theFrm){
	if 	( (theFrm.aName.value.length > 0) && (theFrm.aEmailAddress.value.length > 0) )
	{
		return true;
	}
	else{
		alert('Please ensure you have entered your Name and E-Mail address.');
		return false;	
	}
}

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++;
        }
    }
}

function showLastHalf(){
	
	var pTags = document.getElementById('content').getElementsByTagName("P");
		
	//pTags[pTags.length-1].style.display = 'none';
	//pTags[pTags.length-2].style.display = 'none';
	
	 //speed for each frame
    var speed = Math.round(2000 / 100);
    var timer = 0;

	opacStart = 0;
	opacEnd = 100;
    //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("changePTAG(" + i + ")",(timer * speed));
            timer++;
			
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changePTAG(" + i + ")",(timer * speed));
            timer++;
			
        }
    }
	
	
	
	
}

function changePTAG(opacity, id){
	
	var pTags = document.getElementById('content').getElementsByTagName("P");
	
	var object = pTags[pTags.length-1].style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
	pTags[pTags.length-1].id = 'last1of2';
	
	var object = pTags[pTags.length-2].style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
	pTags[pTags.length-2].id = 'last2of2';
	
	try {
	if (opacity == 100)
	{
		document.getElementById('last1of2').style.removeAttribute("filter");
		document.getElementById('last2of2').style.removeAttribute("filter");	
	}
	}catch(e){
	//do nothing, not ie	
	}
	
	
		
}

//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 genHTML(){
	
	return true;	
}
