var _scrollOffset = 0; var _scrollDelay = 20; var _scrollLeap = 200; var _scrollStep = 20; var blocks = null; window.onload = function () { buf = document.getElementById('left'); buf.onclick = function () { _scrollOffset = _scrollLeap; _driveLeft(); }; if (buf.captureEvents) buf.captureEvents(Event.CLICK); buf = document.getElementById('right'); buf.onclick = function () { _scrollOffset = _scrollLeap; _driveRight(); }; if (buf.captureEvents) buf.captureEvents(Event.CLICK); if (window.addEventListener) window.addEventListener('DOMMouseScroll', wheel, false); window.onmousewheel = document.onmousewheel = wheel; blocks = [document.getElementById('main'), document.getElementById('construction'), document.getElementById('shape-color'), document.getElementById('features'), document.getElementById('idea'), document.getElementById('signs'), document.getElementById('profile'), document.getElementById('contacts'), document.getElementById('tail') ]; if (window.innerHeight) document.lastChild.style.height = (window.innerHeight-16)+'px'; for (i=0; i<blocks.length; i++) { blocks[i].style.bottom = '0px'; blocks[i].style.display = 'block'; } /*для оперы*/ setTimeout('_slideArrows()', 700); }; window.onresize = function () {if (window.innerHeight) document.lastChild.style.height = (window.innerHeight-16)+'px'}; var arrows = null; var _arrowsPosition = null; var _arrowsFinalPosition = 750; function _slideArrows () { if (!arrows) { arrows = document.getElementById('arrows'); _arrowsPosition = arrows.offsetLeft; } _arrowsPosition = (_arrowsFinalPosition-_arrowsPosition>2)?(_arrowsPosition+(_arrowsFinalPosition-_arrowsPosition)/10):_arrowsFinalPosition; arrows.style.left = _arrowsPosition+'px'; if (_arrowsPosition<_arrowsFinalPosition) setTimeout('_slideArrows()', _scrollDelay); else if (arrows.style.setExpression) arrows.style.setExpression('left', 'eval(document.documentElement.scrollLeft + '+_arrowsFinalPosition+') + "px"'); else { arrows.style.position = 'fixed'; arrows.style.left = '750px'; /*if (navigator.userAgent.indexOf("Opera") <= 0) arrows.style.bottom = '124px';*/ } } function _driveLeft () { if (getScrollXY()[0]==0 || _scrollOffset<=0) return false; _scrollOffset = (_scrollOffset>_scrollStep*2)? _scrollOffset-_scrollStep:_scrollStep/4; window.scrollBy(-1*_scrollOffset, 0); var flag = true; for (i=0; i<blocks.length; i++) if (Math.abs(blocks[i].offsetLeft-getScrollXY()[0]-50)<_scrollStep*5 /* 5 подобрано наобум */) { window.scrollBy((blocks[i].offsetLeft-getScrollXY()[0]-50), 0); flag = false; } if (flag) setTimeout('_driveLeft()', _scrollDelay); }; function _driveRight () { if (getScrollXY()[0]+getWindowSize()[0]==getPageSizeWithScroll()[0] || _scrollOffset<=0) return false; _scrollOffset = (_scrollOffset>_scrollStep*2)? _scrollOffset-_scrollStep:_scrollStep/4; window.scrollBy(_scrollOffset, 0); var flag = true; for (i=0; i<blocks.length; i++) if (Math.abs(blocks[i].offsetLeft-getScrollXY()[0]-50)<_scrollStep*5) { window.scrollBy((blocks[i].offsetLeft-getScrollXY()[0]-50), 0); flag = false; } if (flag) setTimeout('_driveRight()', _scrollDelay); }; function handle(delta) { if (delta < 0) window.scrollBy(50, 0); else window.scrollBy(-50, 0); }; function wheel(event) { var delta = 0; if (!event) event = window.event; if (event.wheelDelta) { delta = event.wheelDelta/120; if (window.opera) delta = -delta; } else if (event.detail) delta = -event.detail/3; if (delta) handle(delta); if (event.preventDefault) event.preventDefault(); event.returnValue = false;}; function getScrollXY() { var scrOfX = 0, scrOfY = 0; if (typeof(window.pageYOffset)=='number') { scrOfY = window.pageYOffset; scrOfX = window.pageXOffset; } else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) { scrOfY = document.body.scrollTop; scrOfX = document.body.scrollLeft; } else if ( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) { scrOfY = document.documentElement.scrollTop; scrOfX = document.documentElement.scrollLeft; } return [ scrOfX, scrOfY ]; } function getWindowSize() { var myWidth = 0, myHeight = 0; if( typeof( window.innerWidth ) == 'number' ) { /* //Non-IE */ myWidth = window.innerWidth; myHeight = window.innerHeight; } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) { /* //IE 6+ in 'standards compliant mode'*/ myWidth = document.documentElement.clientWidth; myHeight = document.documentElement.clientHeight; } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) { /* //IE 4 compatible*/ myWidth = document.body.clientWidth; myHeight = document.body.clientHeight; } return [myWidth, myHeight]; } function getPageSizeWithScroll(){ 	if (window.innerHeight && window.scrollMaxY) {/*// Firefox */ 		yWithScroll = window.innerHeight + window.scrollMaxY; 		xWithScroll = window.innerWidth + window.scrollMaxX; 	} else if (document.body.scrollHeight > document.body.offsetHeight){ /* // all but Explorer Mac */ 		yWithScroll = document.body.scrollHeight; 		xWithScroll = document.body.scrollWidth; 	} else { /* // works in Explorer 6 Strict, Mozilla (not FF) and Safari */ 		yWithScroll = document.body.offsetHeight; 		xWithScroll = document.body.offsetWidth; 	} 	arrayPageSizeWithScroll = new Array(xWithScroll,yWithScroll); /*	//alert( 'The height is ' + yWithScroll + ' and the width is ' + xWithScroll ); */ 	return arrayPageSizeWithScroll; }