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preload_img=new Image();preload_img.src='chart_imgs/c_coffee_03b.gif';
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preload_img=new Image();preload_img.src='chart_imgs/c_coffee_07b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_coffee_08b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_coffee_09b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_coffee_10b.gif';
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preload_img=new Image();preload_img.src='chart_imgs/c_coffee_13b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_coffee_14b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_coffee_15b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_coffee_16b.gif';

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preload_img=new Image();preload_img.src='chart_imgs/c_kefia_03b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_04b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_05b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_06b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_07b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_08b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_09b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_10b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_11b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_12b.gif';
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preload_img=new Image();preload_img.src='chart_imgs/c_kefia_14b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_15b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_kefia_16b.gif';
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preload_img=new Image();preload_img.src='chart_imgs/c_kefia_19b.gif';

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preload_img=new Image();preload_img.src='chart_imgs/c_milk_02b.gif';
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preload_img=new Image();preload_img.src='chart_imgs/c_milk_09b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_milk_10b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_milk_11b.gif';
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preload_img=new Image();preload_img.src='chart_imgs/c_milk_13b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_milk_14b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_milk_15b.gif';

preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_01b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_02b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_03b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_04b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_05b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_06b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_07b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_08b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_09b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_10b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_11b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_12b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_13b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_14b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_15b.gif';

preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_21b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_22b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_23b.gif';
preload_img=new Image();preload_img.src='chart_imgs/c_fresh&lowfat_31b.gif';