/******************************************************************** Slider control creator By Mark Wilton-Jones 12-13/10/2002 Version 1.2 updated 13/04/2005 to protect against multi-button clicks ********************************************************************* Please see http://www.howtocreate.co.uk/jslibs/ for details and a demo of this script Please see http://www.howtocreate.co.uk/jslibs/termsOfUse.html for terms of use To use: Inbetween the tags, put: To create a slider put: var myslider = new slider( 24, //height of track (excluding border) 150, //width of track (excluding border) '#9999bb', //colour of track 2, //thickness of track border '#770000', //colour of track border 2, //thickness of runner (in the middle of the track) '#000000', //colour of runner 16, //height of button (excluding border) 16, //width of button (excluding border) '#dfdfdf', //colour of button 2, //thickness of button border (shaded to give 3D effect) '<>', //text of button (if any) - the font declaration is important - size it to suit your slider true, //direction of travel (true = horizontal [0 is left], false = vertical [0 is top]) 'moveFunction', //the name of the function to execute as the slider moves (null if none) 'stopFunction', //the name of the function to execute when the slider stops (null if none) //the functions must have already been defined (or use null for none) false //optional, false = use default cursor over button, true = use hand cursor ); You can then set the position of the slider after the page has loaded using: myslider.setPosition(numberBetween0and1) ___________________________________________________________________________________________*/ var MWJ_slider_controls = 0; function getRefToDivNest( divID, oDoc ) { //get a reference to the slider control, even through nested layers if( !oDoc ) { oDoc = document; } if( document.layers ) { if( oDoc.layers[divID] ) { return oDoc.layers[divID]; } else { for( var x = 0, y; !y && x < oDoc.layers.length; x++ ) { y = getRefToDivNest(divID,oDoc.layers[x].document); } return y; } } if( document.getElementById ) { return document.getElementById(divID); } if( document.all ) { return document.all[divID]; } return document[divID]; } function sliderMousePos(e) { //get the position of the mouse if( !e ) { e = window.event; } if( !e || ( typeof( e.pageX ) != 'number' && typeof( e.clientX ) != 'number' ) ) { return [0,0]; } if( typeof( e.pageX ) == 'number' ) { var xcoord = e.pageX; var ycoord = e.pageY; } else { var xcoord = e.clientX; var ycoord = e.clientY; if( !( ( window.navigator.userAgent.indexOf( 'Opera' ) + 1 ) || ( window.ScriptEngine && ScriptEngine().indexOf( 'InScript' ) + 1 ) || window.navigator.vendor == 'KDE' ) ) { if( document.documentElement && ( document.documentElement.scrollTop || document.documentElement.scrollLeft ) ) { xcoord += document.documentElement.scrollLeft; ycoord += document.documentElement.scrollTop; } else if( document.body && ( document.body.scrollTop || document.body.scrollLeft ) ) { xcoord += document.body.scrollLeft; ycoord += document.body.scrollTop; } } } return [xcoord,ycoord]; } function slideIsDown(e) { if( document.onmousemove == slideIsMove ) { return false; } //protect against multi-button click //make note of starting positions and detect mouse movements window.msStartCoord = sliderMousePos(e); window.lyStartCoord = this.style?[parseInt(this.style.left),parseInt(this.style.top)]:[parseInt(this.left),parseInt(this.top)]; if( document.captureEvents && Event.MOUSEMOVE ) { document.captureEvents(Event.MOUSEMOVE); document.captureEvents(Event.MOUSEUP); } window.storeMOUSEMOVE = document.onmousemove; window.storeMOUSEUP = document.onmouseup; window.storeLayer = this; document.onmousemove = slideIsMove; document.onmouseup = slideIsMove; return false; } function slideIsMove(e) { //move the slider to its newest position var msMvCo = sliderMousePos(e); if( !e ) { e = window.event ? window.event : ( new Object() ); } var theLayer = window.storeLayer.style ? window.storeLayer.style : window.storeLayer; var oPix = document.childNodes ? 'px' : 0; if( window.storeLayer.hor ) { var theNewPos = window.lyStartCoord[0] + ( msMvCo[0] - window.msStartCoord[0] ); if( theNewPos < 0 ) { theNewPos = 0; } if( theNewPos > window.storeLayer.maxLength ) { theNewPos = window.storeLayer.maxLength; } theLayer.left = theNewPos + oPix; } else { var theNewPos = window.lyStartCoord[1] + ( msMvCo[1] - window.msStartCoord[1] ); if( theNewPos < 0 ) { theNewPos = 0; } if( theNewPos > window.storeLayer.maxLength ) { theNewPos = window.storeLayer.maxLength; } theLayer.top = theNewPos + oPix; } //run the user's functions and reset the mouse monitoring as before if( e.type && e.type.toLowerCase() == 'mousemove' ) { if( window.storeLayer.moveFunc ) { window.storeLayer.moveFunc(theNewPos/window.storeLayer.maxLength); } } else { document.onmousemove = storeMOUSEMOVE; document.onmouseup = window.storeMOUSEUP; if( window.storeLayer.stopFunc ) { window.storeLayer.stopFunc(theNewPos/window.storeLayer.maxLength); } } } function setSliderPosition(oPortion) { //set the slider's position if( isNaN( oPortion ) || oPortion < 0 ) { oPortion = 0; } if( oPortion > 1 ) { oPortion = 1; } var theDiv = getRefToDivNest(this.id); if( theDiv.style ) { theDiv = theDiv.style; } oPortion = Math.round( oPortion * this.maxLength ); var oPix = document.childNodes ? 'px' : 0; if( this.align ) { theDiv.left = oPortion + oPix; } else { theDiv.top = oPortion + oPix; } } function slider(oThght,oTwdth,oTcol,oTBthk,oTBcol,oTRthk,oTRcol,oBhght,oBwdth,oBcol,oBthk,oBtxt,oAlgn,oMf,oSf,oCrs) { //draw the slider using huge amounts of nested layers (makes the borders look normal in as many browsers as possible) if( document.layers ) { document.write( ''+ ''+ '<\/layer>'+ ''+ '<\/layer>'+ ''+ oBtxt+'<\/layer><\/layer><\/ilayer><\/ilayer>' ); } else { document.write( '

'+ '

'+ '

<\/div>'+ '

'+ '

'+ '

'+ ''+oBtxt+'<\/span><\/div><\/div><\/div><\/div><\/div>' ); } this.id = 'MWJ_slider_controls'+MWJ_slider_controls; this.maxLength = (oAlgn?oTwdth:oThght)-((oAlgn?oBwdth:oBhght)+(2*oBthk)); this.align = oAlgn; this.setPosition = setSliderPosition; MWJ_slider_controls++; }