/* START mouseover and links
	ms_class(id,cid,mstat)
	mc_loc(id,cid,loc)
	tg_pnt(mstat)
	tg_img(img_name,img_file)
	ms_img(img_name,img_file,mstat)
	display(id,toggle)
-------------------------------------------- */
// a_jsscripts_main.js
var wsw = 0;
// ms = 'mouse over'
// cid = class name; mstat = mouse pointer status;
function ms_class(id,cid,mstat){
	document.getElementById(id).className = cid;
 	document.body.style.cursor = mstat;
};
function ms_class_color(id,cid,colorid,color){
	document.getElementById(id).className = cid;
	document.getElementById(colorid).style.color=color;
};

// mc = 'mouse click'
// cid = class name; loc = link location;
function mc_loc_img(id,cid,loc){
	document.getElementById(id).className = cid;
 	document.body.style.cursor = 'default';
	window.location.href = loc;
};

//function pointer toggle
function tg_pnt(mstat){
	document.body.style.cursor = mstat;
};

// mc = 'mouse click'
// loc = link location;
function mc_loc(mstat,loc){
 	document.body.style.cursor = mstat;
	window.location.href = loc;
};

//function image toggle
function tg_img(img_name,img_file){
	document[img_name].src=img_file;
};

//function image mouseover
function ms_img(img_name,img_file,mstat){
	if(wsw == 0){
	tg_pnt(mstat)
	tg_img(img_name,img_file)
	}
};
//function display toggle
function display(id,toggle){
	document.getElementById(id).style.display=toggle
};


/* START OPACITY
-------------------------------------------- */
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 opacity0(id, opacStart, opacEnd, millisec, img_src) {
	document[id].src = img_src;
	//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)
}


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)
}
/* --------------------------------------------
END OPACITY */


// displaying the email form
function openemail(formname){
	opacity('dimmer', 0, 80, 1200);
	document.getElementById('dimmer').style.zIndex='960';
	document.getElementById(formname).style.display='block';
}

function closemail(formname){
	document.getElementById(formname).style.display='none';
	opacity('dimmer', 80, 0, 1);
	document.getElementById('dimmer').style.zIndex='1';	
}