function mouseOverM1() {
		document.m1.src ="menu/voice01_on.gif"
}
function mouseOutM1() {
		document.m1.src ="menu/voice01_off.gif"
}
function mouseOverM2() {
		document.m2.src ="menu/voice02_on.gif"
}
function mouseOutM2() {
		document.m2.src ="menu/voice02_off.gif"
}
function mouseOverM3() {
		document.m3.src ="menu/voice03_on.gif"
}
function mouseOutM3() {
		document.m3.src ="menu/voice03_off.gif"
}
function mouseOverM4() {
		document.m4.src ="menu/voice04_on.gif"
}
function mouseOutM4() {
		document.m4.src ="menu/voice04_off.gif"
}

function mouseOverE1() {
		document.e1.src ="img/title_news_on.gif"
}
function mouseOutE1() {
		document.e1.src ="img/title_news_off.gif"
}
function mouseOverE2() {
		document.e2.src ="img/title_partners_on.gif"
}
function mouseOutE2() {
		document.e2.src ="img/title_partners_off.gif"
}
function mouseOverE3() {
		document.e3.src ="img/title_letter_on.gif"
}
function mouseOutE3() {
		document.e3.src ="img/title_letter_off.gif"
}

function mouseOverSM1() {
		document.sm1.src ="submenu/voice01_on.gif"
}
function mouseOutSM1() {
		document.sm1.src ="submenu/voice01_off.gif"
}
function mouseOverSM2() {
		document.sm2.src ="submenu/voice02_on.gif"
}
function mouseOutSM2() {
		document.sm2.src ="submenu/voice02_off.gif"
}
function mouseOverSM3() {
		document.sm3.src ="submenu/voice03_on.gif"
}
function mouseOutSM3() {
		document.sm3.src ="submenu/voice03_off.gif"
}
function mouseOverSM4() {
		document.sm4.src ="submenu/voice04_on.gif"
}
function mouseOutSM4() {
		document.sm4.src ="submenu/voice04_off.gif"
}