function COLVideo(mode, arg, expiration) {
	video_url = '/video/#' + arg;

	if(mode == 'live') { COLLiveVideo(arg); }
	else if(top.location == self.location) { location.href = video_url; }
	else { vid_win = window.open(video_url, 'vid_win'); }
}


/* main page video box (domestic & intl)
===================================================================== */
var COLMpVpCurPage = 1;
var COLMpVpLock = false;
function COLMpVpBlur( lnk ) {
	try {
		lnk.blur();
	} catch(e) {};
}
/*
 * COLMpVpNext() and COLMpVpPrev()
 * are called from previous and next buttons
 */
function COLMpVpNext( lnk ) {
	COLMpVpBlur( lnk );
	if((COLMpVpCurPage < 3)&&(!COLMpVpLock)) {
		COLMpVpSlideLeft();
	}
}

function COLMpVpPrev( lnk ) {
	COLMpVpBlur( lnk );
	if((COLMpVpCurPage > 1)&&(!COLMpVpLock)) {
		COLMpVpSlideRight();
	}
}

/*
 * COLMpVpPage( intPage )
 * called from clicking on gray dot icon
 */
function COLMpVpPage( intPage, lnk ) {
	COLMpVpBlur( lnk );
	if((COLMpVpCurPage != intPage)&&(!COLMpVpLock)) {
		if(COLMpVpCurPage < intPage) {
			if((intPage - COLMpVpCurPage) > 1) {
				COLMpVpSlideDoubleLeft();
			}
			else {
				COLMpVpSlideLeft();
			}
		}
		else {
			if((COLMpVpCurPage - intPage) > 1) {
				COLMpVpSlideDoubleRight();
			}
			else {
				COLMpVpSlideRight();
			}
		}
	}
}

function COLLockMpVp( intDur ) {
	var COLLockDur = intDur * 100;
	COLMpVpLock = true;
	setTimeout(function() { COLMpVpLock = false; },COLLockDur);
}
function COLMpVpSlideLeft() {
	COLLockMpVp(3);
	new Effect.MoveBy( 'COLMpVidCtnt0', 0, -400 , {duration: 0.3} );
	new Effect.MoveBy( 'COLMpVidCtnt1', 0, -400 , {duration: 0.3} );
	new Effect.MoveBy( 'COLMpVidCtnt2', 0, -400 , {duration: 0.3} );
	COLMpVpCurPage++;
	COLMpVpMoveDot();
	COLMpVpUpdateBtns();
}

function COLMpVpSlideDoubleLeft() {
	COLLockMpVp(6);
	new Effect.MoveBy( 'COLMpVidCtnt0', 0, -800 , {duration: 0.6} );
	new Effect.MoveBy( 'COLMpVidCtnt1', 0, -800 , {duration: 0.6} );
	new Effect.MoveBy( 'COLMpVidCtnt2', 0, -800 , {duration: 0.6} );
	COLMpVpCurPage++;
	COLMpVpCurPage++;
	COLMpVpMoveDot();
	COLMpVpUpdateBtns();
}

function COLMpVpSlideRight() {
	COLLockMpVp(3);
	new Effect.MoveBy( 'COLMpVidCtnt0', 0, 400 , {duration: 0.3} );
	new Effect.MoveBy( 'COLMpVidCtnt1', 0, 400 , {duration: 0.3} );
	new Effect.MoveBy( 'COLMpVidCtnt2', 0, 400 , {duration: 0.3} );
	COLMpVpCurPage--;
	COLMpVpMoveDot();
	COLMpVpUpdateBtns();
}

function COLMpVpSlideDoubleRight() {
	COLLockMpVp(6);
	new Effect.MoveBy( 'COLMpVidCtnt0', 0, 800 , {duration: 0.6} );
	new Effect.MoveBy( 'COLMpVidCtnt1', 0, 800 , {duration: 0.6} );
	new Effect.MoveBy( 'COLMpVidCtnt2', 0, 800 , {duration: 0.6} );
	COLMpVpCurPage--;
	COLMpVpCurPage--;
	COLMpVpMoveDot();
	COLMpVpUpdateBtns();
}

function COLMpDotMouseOver( id ) {
	$(id).src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/gray_active_status.gif';
}

// image change functions
function COLMpVpMoveDot() {
	for(i=1;i<4;i++) {
		$('COLMpVidDot'+i).src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/gray_status.gif';
		$('COLMpVidDot'+i).onmouseover = function() {this.src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/gray_active_status.gif';}
		$('COLMpVidDot'+i).onmouseout = function() {this.src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/gray_status.gif';}
	}
	$('COLMpVidDot'+COLMpVpCurPage).src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/gray_active_status.gif';
	$('COLMpVidDot'+COLMpVpCurPage).onmouseover = function() {}
	$('COLMpVidDot'+COLMpVpCurPage).onmouseout = function() {}
}
function COLMpVpUpdateBtns() {
	if(COLMpVpCurPage > 1) {
		$('COLMpVidBtnL').style.cursor ='auto';
		$('COLMpVidBtnL').src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/left_red_btn.gif';
		$('COLMpVidBtnL').onmouseover = function() { this.src='http://www.vizag2.com/wp-content/themes/classic/img/scroll/left_red_over_btn.gif'; }
		$('COLMpVidBtnL').onmouseout = function() { this.src='http://www.vizag2.com/wp-content/themes/classic/img/scroll/left_red_btn.gif'; }
	}
	else {
		$('COLMpVidBtnL').style.cursor ='default';
		$('COLMpVidBtnL').src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/left_gray_btn.gif';
		$('COLMpVidBtnL').onmouseover = function() {}
		$('COLMpVidBtnL').onmouseout = function() {}
	}

	if(COLMpVpCurPage < 3) {
		$('COLMpVidBtnR').style.cursor ='auto';
		$('COLMpVidBtnR').src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/right_red_btn.gif';
		$('COLMpVidBtnR').onmouseover = function() {this.src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/right_red_over_btn.gif';}
		$('COLMpVidBtnR').onmouseout = function() {this.src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/right_red_btn.gif';}
	}
	else {
		$('COLMpVidBtnR').style.cursor ='default';
		$('COLMpVidBtnR').src = 'http://www.vizag2.com/wp-content/themes/classic/img/scroll/right_gray_btn.gif';
		$('COLMpVidBtnR').onmouseover = function() {}
		$('COLMpVidBtnR').onmouseout = function() {}
	}
}
/* end main page video box
===================================================================== */