// copyright (c) dominic parkes for parkes t/a/ e-tax law ltd 2007-
// parkes website external script file


// image swap handling for LH menu

//preload images to memory for efficiency
button_1_off = new Image(181,39); //home
button_1_hover = new Image(181,39);
button_1_on = new Image(181,39);

button_2_off = new Image(181,39); //about
button_2_hover = new Image(181,39);
button_2_on = new Image(181,39);

button_3_off = new Image(181,39); //services
button_3_hover = new Image(181,39);
button_3_on = new Image(181,39);

button_4_off = new Image(181,39); //portfolio
button_4_hover = new Image(181,39);
button_4_on = new Image(181,39);

button_5_off = new Image(181,39); //people
button_5_hover = new Image(181,39);
button_5_on = new Image(181,39);

button_6_off = new Image(181,39); //contact
button_6_hover = new Image(181,39);
button_6_on = new Image(181,39);

button_7_off = new Image(181,39); //links
button_7_hover = new Image(181,39);
button_7_on = new Image(181,39);


//define srcs for all images
button_1_off.src = "/_images/button-home_off.gif"; //home
button_1_hover.src = "/_images/button-home_hover.gif";
button_1_on.src = "/_images/button-home_on.gif";

button_2_off.src = "/_images/button-about_off.gif"; //about
button_2_hover.src = "/_images/button-about_hover.gif";
button_2_on.src = "/_images/button-about_on.gif";

button_3_off.src = "/_images/button-services_off.gif"; //services
button_3_hover.src = "/_images/button-services_hover.gif";
button_3_on.src = "/_images/button-services_on.gif";

button_4_off.src = "/_images/button-portfolio_off.gif"; //portfolio
button_4_hover.src = "/_images/button-portfolio_hover.gif";
button_4_on.src = "/_images/button-portfolio_on.gif";

button_5_off.src = "/_images/button-people_off.gif"; //people
button_5_hover.src = "/_images/button-people_hover.gif";
button_5_on.src = "/_images/button-people_on.gif";

button_6_off.src = "/_images/button-contact_off.gif"; //contact
button_6_hover.src = "/_images/button-contact_hover.gif";
button_6_on.src = "/_images/button-contact_on.gif";

button_7_off.src = "/_images/button-links_off.gif"; //links
button_7_hover.src = "/_images/button-links_hover.gif";
button_7_on.src = "/_images/button-links_on.gif";


function loadDefaultImg(imgField,newImg) {

	if (document.images) {

		document[imgField].src = eval(newImg + ".src")
		
	}

}


function imgSwap(imgField,newImg) {

	if (document.images && document[imgField].src.toString().indexOf("_on.gif") < 0) {

		document[imgField].src = eval(newImg + ".src")

	}

}